{"title":"Hoklartherm Riga Greenhouses","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/RigaXL8_2024-05-03T14_27_26.401Z.png?v=1751050325\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe affordable and sturdy Riga greenhouse provides ample space for large plants and offers a variety of uses thanks to its unique Gothic shape. Well-equipped with shelves, plant trays, and planting tables, you may even have a corner free for your gardening tools or a seating area. The sloping side walls with multi-wall polycarbonate ensure plenty of light and optimal snow shedding.  These are great cold weather and windy weather greenhouses.  We also have additional roof bracing available for heavy weather areas.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGlazing:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRiga S \u0026amp; L Models:\n\u003cul\u003e\n\u003cli\u003e8mm Twin Wall Polycarbonate on the sides\u003c\/li\u003e\n\u003cli\u003e10mm \u003cmeta charset=\"utf-8\"\u003eTwin Wall Polycarbonate in the gables\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eRiga XL Models\n\u003cul\u003e\n\u003cli\u003e16mm Triple Wall Polycarbonate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDoor:\u003c\/strong\u003e\u003cbr\u003eBarn-Style Divided Door with Lock\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdditional options:\u003c\/strong\u003e\u003cbr\u003eFoundation Frame\u003cbr\u003e10\" Top Shelf\u003cbr\u003e25\" Bottom Shelf\u003cbr\u003eAstrica Grow Lights\u003cbr\u003eSolar Courtesy\/Work Lights\u003cbr\u003eAdditional Roof Window\u003cbr\u003eAutomatic Window Opener\u003cbr\u003eRoof Window Wind Restraint System\u003cbr\u003eWindow Sash Locks\u003cbr\u003eRoof Bracing\u003cbr\u003eHeavy-Duty Reinforcement Kit (XL6, XL9 only)\u003cbr\u003eT-Bolts\u003cbr\u003eBOSS 157 Silicone Sealer\u003cbr\u003eAdjustable Metal J Hooks\u003cbr\u003eAdjustable Metal Pipe Hooks\u003cbr\u003ePlastic Hooks for Growing Wire\u003cbr\u003eHeavy Duty Seed Trays\u003cbr\u003eMisting System\u003cbr\u003eWheelbarrow Access Ramp\u003cbr\u003eDoor Extension Kit (for drop door when building on a wall)\u003cbr\u003eSolar Powered Exhaust Fan System\u003cbr\u003e12\", 16\", or 20\" Exhaust Fan\u003cbr\u003e16\", 20\", or 24\" Powered Intake Shutter Vent\u003cbr\u003eInkbird Thermostat\u003cbr\u003eMilkhouse Heater\u003cbr\u003eIndustrial Heater\u003cbr\u003eAssembly Facilitation Kit\u003c\/p\u003e","products":[{"product_id":"hoklartherm-riga-2s-greenhouse-foundation-frame","title":"Hoklartherm | Riga Greenhouse 6 inch High Foundation Frame","description":"\n\u003cp\u003eThis 6\" high Foundation Frame only works with the \u003cstrong\u003eHoklartherm RIGA Greenhouses\u003c\/strong\u003e. It can be used to replace concrete or wooded footing. It will be buried in a trench to easily and securely anchor the whole greenhouse. This is a great option if other anchoring methods, such as concrete, are not desired or possible.\u003c\/p\u003e\n\u003cp\u003eNote:  When ordering this foundation frame without the Riga Greenhouse, it will cost extra.  Please contact us for a more accurate quote.\u003c\/p\u003e\n\u003ch6\u003eINSTALLATION VIDEO\u003c\/h6\u003e\n\u003cp\u003e\u003ciframe title=\"RIGA Greenhouse 6 inch High Foundation Frame Installation Video\" src=\"https:\/\/www.youtube.com\/embed\/VGGycKJlyTg\" class=\"responsive-video\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Hoklartherm","offers":[{"title":"RIGA S2 (7'8\" W x 7' L x 6\" H)","offer_id":42972916875413,"sku":"RIGA-IIS-BASE","price":824.0,"currency_code":"USD","in_stock":true},{"title":"RIGA S3 (7'8\" W x 10'6\" L x 6\" H)","offer_id":42972916908181,"sku":"RIGA-IIIS-BASE","price":1049.0,"currency_code":"USD","in_stock":true},{"title":"RIGA S4 ( 7'8\" W x 14' L x 6\" H)","offer_id":42992444735637,"sku":"RIGA-IVS-BASE","price":1399.0,"currency_code":"USD","in_stock":true},{"title":"RIGA L3 (9'8\" W x 10'6\" L x 6\" H)","offer_id":42992298164373,"sku":"RIGA-III-BASE","price":1299.0,"currency_code":"USD","in_stock":true},{"title":"RIGA L4 (9'8\" W x 14' L x 6\" H)","offer_id":42992439459989,"sku":"RIGA-IV-BASE","price":1499.0,"currency_code":"USD","in_stock":false},{"title":"RIGA L5 (9'8\" W x 17'6\" L x 6\" H)","offer_id":42992693379221,"sku":"RIGA-V-BASE","price":1749.0,"currency_code":"USD","in_stock":false},{"title":"RIGA XL5 (14' W x 16'5\" L x 6\" H) (Soecial Order)","offer_id":43035437170837,"sku":"RIGA-XL-5-BASE","price":2099.0,"currency_code":"USD","in_stock":false},{"title":"RIGA XL6 (14' W x 19'10\" L x 6\" H)","offer_id":43039032279189,"sku":"RIGA-XL-6-BASE","price":2199.0,"currency_code":"USD","in_stock":true},{"title":"RIGA XL7 (14' W x 23' L x 6\" H) (Special Order)","offer_id":43070656905365,"sku":"RIGA-XL-7-BASE","price":2549.0,"currency_code":"USD","in_stock":true},{"title":"RIGA XL8 (14' W x 26'3\" L x 6\" H) (Special Order)","offer_id":43070656938133,"sku":"RIGA-XL-8-BASE","price":2899.0,"currency_code":"USD","in_stock":true},{"title":"RIGA XL9 (14' W x 29'6\" L x 6\" H)","offer_id":43070656970901,"sku":"RIGA-XL-9-BASE","price":3149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/products\/exaco-hoklartherm-riga-2s-greenhouse-foundation-frame-riga-iis-base-35601648877717.jpg?v=1751050380"},{"product_id":"hoklartherm-stainless-steel-plant-hooks","title":"Hoklartherm | Stainless Steel Plant Hooks - Pack of 5","description":"\u003cp\u003eVersatile adjustable hooks can be used to hang plants or lighting.  T-bolt head inserts into greenhouse profile channels without needing a notched opening. \u003c\/p\u003e\n\u003cp\u003eDesigned for and work perfectly with Hoklartherm RIGA greenhouses. \u003c\/p\u003e\n\u003cp\u003eAlso works with Janssens greenhouses, although with the painted Janssens profiles, it can be a tight fit, but it will work.  Some Janssens customers have preferred to grind the edges of the T-bolts slightly as well, to make the fit and movement of the hooks easier.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSpecifications:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable length\u003c\/li\u003e\n\u003cli\u003eT-Bolt head\u003c\/li\u003e\n\u003cli\u003eSet of 5 Hooks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Hoklartherm","offers":[{"title":"Default Title","offer_id":43810895200405,"sku":"RIGA-METAL-HOOKS-J","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/RIGAMetalHooks_2.jpg?v=1751050054"},{"product_id":"hoklartherm-plastic-hooks-for-grow-wire","title":"Hoklartherm | Plastic Hooks for Grow Wire","description":"Easily installs in greenhouse channels such as Hoklartherm or Janssens to allow for routing your growing wire or rope for vining plants.\u003cbr\u003e\u003cbr\u003eSpecifications:\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003eComes with small stainless steel S-hook\u003c\/li\u003e\n\u003cli\u003eSet of 10 plastic inserts and hooks \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hoklartherm","offers":[{"title":"Default Title","offer_id":43810914795669,"sku":"RIGA-PLASTIC-HOOKS","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/RIGAPlasticsHooks.jpg?v=1751050053"},{"product_id":"hoklartherm-shelf-for-riga-greenhouses","title":"Hoklartherm | Shelf for Riga Greenhouses","description":"\n\u003cp\u003e\u003cstrong\u003eA RIGA 10\" deep Top Shelf or 25\" deep Bottom Shelf.\u003c\/strong\u003e  The shelf is made of anodized aluminum, with strong twin-wall polycarbonate inserts.  The inserts can be removed to allow for taller plants to grow through part of the shelving area.\u003c\/p\u003e\n\u003cp\u003eThe RIGA Greenhouses support a two-shelf system on each side.  The top and bottom shelves are different widths.\u003c\/p\u003e\n\u003cp\u003eYou can use the two layer shelving system with removable shelf inserts to better utilize the space and organize your plants.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eTop Shelf: 10\" D x full length (choose your RIGA model, above)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBottom Shelf: 25\" D x full length (choose RIGA model, above)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe shelves can be purchased either as part of the RIGA Enhancement kit, which includes one top shelf, one bottom shelf, and a foundation frame, or the shelves and foundation frame can be purchased individually.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e\u003c\/strong\u003eThe shelves are secured to the long axis of the greenhouse using the existing later supports.  The top shelves are secured to the side frame with diagonal braces.  For the RIGA XL models, the bottom shelf is secured to the side frame using diagonal braces.  For the RIGA and RIGA s models, the bottom shelf attaches to the end wall cross bar.\u003c\/p\u003e\n\u003cp\u003eThe white twin-wall polycarbonate shelf inserts can be removed to allow for tall plants such as tomatoes or beans if needed, or to allow inserting the optional (purchased separately) heavy-duty seed trays (bottom shelf only) when you are preparing baby plants before the growing season starts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat about RIGA XL7 and RIGA XL8?\u003c\/strong\u003e  For these models you have two choices: order the XL6 or XL5 shelf and have a space (because the shelf will be shorter than the greenhouse), or order the XL9 shelf and remove one or two inserts and shorten the front L-Bracket (an easy cut).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat if I want the shelf to be shorter, or I want to split one shelf and use half on each side of the greenhouse?  \u003c\/strong\u003eYou can order shorter shelves than the length of your greenhouse, or you can order a longer shelf and cut the front L-bracket (an easy cut).  You may need an additional diagonal support if you split one shelf this way, so contact us to get that extra part included in your order.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eABOUT HOKLARTHERM GmbH\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe RIGA Greenhouses are manufactured in Germany by Hoklartherm GmbH, a leading manufacturer of commercial and hobby greenhouses with decades of experience. Hoklartherm greenhouses are exceptionally well made, superior quality and highly sought after worldwide.\u003c\/p\u003e\n\u003ch6\u003eWarranty\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003ePolycarbonate: 15 Year Limited Warranty (prorated after 5 years)\u003c\/li\u003e\n\u003cli\u003eFrame: 15\u003cspan\u003e Year Limited Warranty\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/2022-RIGA-greenhouse-warranty-_originated-Jan-2017.pdf\" title=\"Hoklartherm RIGA Greenhouse Warranty\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/RIGA_Greenhouse_Warranty_Cover.jpg\" style=\"border: 1px solid #bdbdbd;\" width=\"250\"\u003e\u003c\/a\u003e","brand":"Hoklartherm","offers":[{"title":"RIGA 2s - 7' \/ 10\" Top Shelf","offer_id":44574162092181,"sku":"RIGA-IIS-TOP-SHELF","price":319.0,"currency_code":"USD","in_stock":true},{"title":"RIGA 2s - 7' \/ 25\" Bottom Shelf","offer_id":44574186668181,"sku":"RIGA-IIS-BOTTOM-SHELF","price":399.0,"currency_code":"USD","in_stock":true},{"title":"RIGA 3s - 10'4\" \/ 10\" Top Shelf","offer_id":44574162124949,"sku":"RIGA-IIIS-TOP-SHELF","price":379.99,"currency_code":"USD","in_stock":true},{"title":"RIGA 3s - 10'4\" \/ 25\" Bottom Shelf","offer_id":44574186700949,"sku":"RIGA-IIIS-BOTTOM-SHELF","price":499.0,"currency_code":"USD","in_stock":true},{"title":"RIGA 3 - 10'4\" \/ 10\" Top Shelf","offer_id":46955556176021,"sku":"RIGA-III-TOP-SHELF","price":379.0,"currency_code":"USD","in_stock":true},{"title":"RIGA 3 - 10'4\" \/ 25\" Bottom Shelf","offer_id":46955556208789,"sku":"RIGA-III-BOTTOM-SHELF","price":499.0,"currency_code":"USD","in_stock":true},{"title":"RIGA 4s - 13'10\" \/ 10\" Top Shelf","offer_id":44574162157717,"sku":"RIGA-IVS-TOP-SHELF","price":439.0,"currency_code":"USD","in_stock":true},{"title":"RIGA 4s - 13'10\" \/ 25\" Bottom Shelf","offer_id":44574186733717,"sku":"RIGA-IVS-BOTTOM-SHELF","price":624.0,"currency_code":"USD","in_stock":true},{"title":"RIGA 4 - 13'10\" \/ 10\" Top Shelf","offer_id":44574162026645,"sku":"RIGA-IV-TOP-SHELF","price":439.0,"currency_code":"USD","in_stock":false},{"title":"RIGA 4 - 13'10\" \/ 25\" Bottom Shelf","offer_id":44574186504341,"sku":"RIGA-IV-BOTTOM-SHELF","price":624.0,"currency_code":"USD","in_stock":false},{"title":"RIGA 5 - 17' (special order) \/ 10\" Top Shelf","offer_id":44574162059413,"sku":"RIGA-V-TOP-SHELF","price":549.0,"currency_code":"USD","in_stock":true},{"title":"RIGA 5 - 17' (special order) \/ 25\" Bottom Shelf","offer_id":44574186537109,"sku":"RIGA-V-BOTTOM-SHELF","price":774.0,"currency_code":"USD","in_stock":true},{"title":"RIGA XL 5 - 16'4\" \/ 10\" Top Shelf","offer_id":44574017290389,"sku":"RIGA-XL-5-TOP-SHELF","price":289.0,"currency_code":"USD","in_stock":true},{"title":"RIGA XL 5 - 16'4\" \/ 25\" Bottom Shelf","offer_id":44574186569877,"sku":"RIGA-XL-5-BOTTOM-SHELF","price":399.0,"currency_code":"USD","in_stock":true},{"title":"RIGA XL 6 - 19'8\" \/ 10\" Top Shelf","offer_id":44574017323157,"sku":"RIGA-XL-6-TOP-SHELF","price":699.0,"currency_code":"USD","in_stock":true},{"title":"RIGA XL 6 - 19'8\" \/ 25\" Bottom Shelf","offer_id":44574186602645,"sku":"RIGA-XL-6-BOTTOM-SHELF","price":924.0,"currency_code":"USD","in_stock":true},{"title":"RIGA XL 7 - 23' (special order) \/ 10\" Top Shelf","offer_id":46955556241557,"sku":"RIGA-XL-7-TOP-SHELF","price":1049.0,"currency_code":"USD","in_stock":true},{"title":"RIGA XL 7 - 23' (special order) \/ 25\" Bottom Shelf","offer_id":46955556274325,"sku":"RIGA-XL-7-BOTTOM-SHELF","price":1399.0,"currency_code":"USD","in_stock":true},{"title":"RIGA XL 8 - 26'3\" (special order) \/ 10\" Top Shelf","offer_id":46955556307093,"sku":"RIGA-XL-8-TOP-SHELF","price":1049.0,"currency_code":"USD","in_stock":true},{"title":"RIGA XL 8 - 26'3\" (special order) \/ 25\" Bottom Shelf","offer_id":46955556339861,"sku":"RIGA-XL-8-BOTTOM-SHELF","price":1399.0,"currency_code":"USD","in_stock":true},{"title":"RIGA XL 9 - 29' \/ 10\" Top Shelf","offer_id":44574017355925,"sku":"RIGA-XL-9-TOP-SHELF","price":1049.0,"currency_code":"USD","in_stock":true},{"title":"RIGA XL 9 - 29' \/ 25\" Bottom Shelf","offer_id":44574186635413,"sku":"RIGA-XL-9-BOTTOM-SHELF","price":1399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/RIGA-Shelves.jpg?v=1751050048"},{"product_id":"hoklartherm-magnetic-door-holder","title":"Hoklartherm | Magnetic Door Holder","description":"\u003cp\u003eThis \u003cstrong\u003eMagnetic Door Holder\u003c\/strong\u003e is particularly good for hinged doors on greenhouses that are built on a wall, where the door may have a limited opening angle.\u003c\/p\u003e","brand":"Hoklartherm","offers":[{"title":"Black","offer_id":44537156010133,"sku":"RIGA-DOOR-HOLDER-B","price":140.0,"currency_code":"USD","in_stock":true},{"title":"Green","offer_id":44537156042901,"sku":"RIGA-DOOR-HOLDER-G","price":140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/Hoklarthermdoorholderclosed.jpg?v=1751049976"},{"product_id":"exaco-riga-assembly-facilitation-kit","title":"Exaco | Riga Assembly Facilitation Kit","description":"\u003cp\u003eThe \u003cstrong\u003eRIGA Assembly Facilitation Kit\u003c\/strong\u003e contains some tools and parts that will help your RIGA assembly go smoothly and correctly. Highly recommended!\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e25ft metric tape measure\u003c\/li\u003e\n\u003cli\u003e10mm socket wrench\u003c\/li\u003e\n\u003cli\u003e10mm open wrench\u003c\/li\u003e\n\u003cli\u003eTwo 20ft J-hook ratchet straps - very helpful in tightening up the frame during assembly\u003c\/li\u003e\n\u003cli\u003eWindow restraint cables (appropriate number for the RIGA you are buying)\u003c\/li\u003e\n\u003cli\u003e2 tubes Boss silicone caulk (this is already included with your RIGA greenhouse purchase)\u003c\/li\u003e\n\u003cli\u003ePermanent marker\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hoklartherm","offers":[{"title":"Default Title","offer_id":44574559830165,"sku":"RIGA-HELP-KIT","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/Riga-geenhouse-installation-kit.png?v=1779890066"},{"product_id":"exaco-heavy-duty-seed-tray","title":"Hoklartherm | Riga Heavy Duty Seed Tray","description":"\u003cp\u003eThe \u003cstrong\u003eRIGA Heavy Duty Seed Tray\u003c\/strong\u003e fits perfectly on the bottom shelf in your RIGA greenhouse.  These planter boxes can either sit on the shelf, or will fit down into the shelf when the shelf insert is removed.\u003c\/p\u003e\n\u003cp\u003eSize: 24\" x 16\" x 3.5\" D\u003c\/p\u003e","brand":"Hoklartherm","offers":[{"title":"Default Title","offer_id":44574631035029,"sku":"RIGA-SHELF-PLANTER-BOXES","price":98.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/Exaco-RIGA-Seed-Tray-3.jpg?v=1751049968"},{"product_id":"hoklartherm-roof-window-wind-restraint","title":"Hoklartherm | Riga Greenhouse Roof Window Wind Restraint Cable","description":"\u003cp class=\"p1\"\u003e\u003cb\u003eRIGA Roof Window Wind Restraint System\u003c\/b\u003e - Two 15\" stainless steel cables with nuts \u0026amp; bolts - for 1 roof window. Can be used with RIGA and Victorian Greenhouses.\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cp\u003eThe Riga Greenhouse Restraint Wire is a simple but highly practical accessory designed to help prevent greenhouse roof vents from opening too far during windy conditions. By limiting the maximum opening range of the roof vent, the restraint wire helps reduce stress on the vent, hinges, and automatic opener system while adding another layer of protection during changing weather conditions.\u003c\/p\u003e\n\u003cp\u003eThis accessory is especially useful for gardeners in areas with sudden gusts, storms, or unpredictable weather patterns. It helps stabilize vent movement while still allowing proper airflow and ventilation inside the greenhouse.\u003c\/p\u003e\n\u003ch6\u003eKEY FEATURES\u003c\/h6\u003e\n\u003cdiv class=\"pg-feature-grid\"\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eLimits Excessive Vent Opening\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHelps prevent roof vents from opening beyond a controlled range during windy conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eProtects Vent Components\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCan help reduce strain on greenhouse roof vents, hinges, and automatic vent openers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eImproves Wind Stability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProvides additional support during strong wind or sudden weather changes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible with Riga Greenhouses\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for use with compatible Riga greenhouse roof vent systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eSimple Mechanical Accessory\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo electricity or programming required. A straightforward upgrade for greenhouse vent management.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eHelpful for Year-Round Growing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSupports more controlled greenhouse ventilation across changing seasonal weather conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch6\u003eWHAT'RE INCLUDED\u003c\/h6\u003e\n\u003cp\u003eTwo 15\" stainless steel cables with nuts \u0026amp; bolts - for 1 roof window.\u003c\/p\u003e\n\u003ch6\u003eINSTALLATION GUIDE\u003c\/h6\u003e\n\u003cdiv class=\"pg-card\"\u003e\n\u003cp\u003eThe restraint wire installs directly onto compatible Riga greenhouse roof vent systems to limit vent travel distance. Always follow the manufacturer installation instructions and verify compatibility before installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch6\u003eMANUFACTURER INFO\u003c\/h6\u003e\n\u003cdiv class=\"pg-card\"\u003e\n\u003cp\u003eRiga greenhouse accessories are designed to complement the practical, performance-focused engineering of the Riga greenhouse series. The restraint wire is a simple but valuable accessory for gardeners who want additional protection for their greenhouse roof vent system during changing weather conditions.\u003c\/p\u003e\n\u003cp\u003eBy helping limit excessive vent movement, the restraint wire supports better long-term vent stability while still allowing the greenhouse to maintain healthy airflow and ventilation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch6\u003eFREQUENTLY ASKED QUESTIONS\u003c\/h6\u003e\n\u003cdetails class=\"pg-faq-item\"\u003e\n\u003csummary\u003eWhat does a greenhouse restraint wire do?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003eA restraint wire helps limit how far a greenhouse roof vent can open, especially during windy conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pg-faq-item\"\u003e\n\u003csummary\u003eWhy would I need a restraint wire?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003eIt can help reduce stress on the vent, hinges, and automatic opener system during strong winds or sudden gusts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pg-faq-item\"\u003e\n\u003csummary\u003eIs this compatible with all greenhouse brands?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003eThis restraint wire is designed for compatible Riga greenhouse vent systems. Always verify compatibility before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pg-faq-item\"\u003e\n\u003csummary\u003eWill the restraint wire stop ventilation completely?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003eNo. The restraint wire is designed to limit excessive vent opening while still allowing airflow and ventilation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e","brand":"Hoklartherm","offers":[{"title":"Default Title","offer_id":44606056562837,"sku":"RIGA-WIND-1","price":52.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/Riga-greenhouse-restraint-wire.png?v=1779817217"},{"product_id":"hoklartherm-riga-roof-vent-opener","title":"Hoklartherm | Riga Automatic Roof Vent Opener","description":"\u003cp\u003eRIGA Automatic Window Opener (no electricity needed) with quick release arm - allows the opener to be disconnected in adverse weather conditions. \u003c\/p\u003e\n\u003cdiv class=\"page\" title=\"Page 1\"\u003e\n\u003cdiv class=\"layoutArea\"\u003e\n\u003cdiv class=\"column\"\u003e\n\u003cp\u003e\u003cspan\u003eThe black piston cylinder is filled with a mix of oils that naturally expand around 73 degrees. As the oil expands, it will begin to push out the rod of the piston and open your window. 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This kit is compatible with all Riga greenhouse models and includes extensions for both doors, ensuring a seamless fit.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreased Height\u003c\/strong\u003e: Raises the greenhouse by 20 inches to accommodate taller plants or additional storage space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Design\u003c\/strong\u003e: Specifically made for all Riga XL (5-9), 3, 4, 5, 2S, 3S, 4S greenhouse models, ensuring a perfect fit and easy installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoor Dimensions\u003c\/strong\u003e: Requires a stem wall door opening of 40 inches wide for proper installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit\u003c\/strong\u003e: Includes extensions for two doors for a balanced and uniform appearance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvenient Shipping\u003c\/strong\u003e: Ships in two packages (poly components shipped separately) for safe and efficient delivery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your Riga greenhouse with this door extension kit to create a more versatile and functional growing space. 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Designed for gardeners of all levels, this comprehensive kit includes everything you need to optimize your greenhouse's efficiency, functionality, and productivity.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat’s Included in the Pro Kit:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eRIGA XL Top \u0026amp; Table Shelf\u003c\/strong\u003e: Maximize your workspace and organize your tools and plants with durable, space-saving shelving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight My Shed:\u003c\/strong\u003e Solar light with 2 light fixtures for interior light.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24\" Intake Shutter Vent\u003c\/strong\u003e: Ensure proper airflow with a durable intake vent for ventilation and temperature control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20\" Exhaust Fan\u003c\/strong\u003e: Maintain ideal humidity and temperature levels by efficiently removing excess heat and moisture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermostat\u003c\/strong\u003e: Seamlessly control the vent and fan for precise climate regulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDR-988 5600W Portable Industrial Infrared Heater:\u003c\/strong\u003e Keep your plants thriving even in colder weather with a powerful heater designed for greenhouses. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Seed Trays (Set of 5)\u003c\/strong\u003e: Grow seedlings like a pro with robust trays designed for repeated use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 Stainless Steel Hooks \u0026amp; 10 Heavy-Duty Plastic Hooks\u003c\/strong\u003e: Conveniently hang tools, plants, or other items to keep your greenhouse organized and efficient.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e25' Metric Tape Measure\u003c\/strong\u003e: A versatile measuring tool for precision during setup and future greenhouse projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10mm Socket Wrench \u0026amp; 10mm Open Wrench\u003c\/strong\u003e: Essential tools for easy assembly and maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo 20' J-Hook Ratchet Straps\u003c\/strong\u003e: Secure your greenhouse or other items with heavy-duty, adjustable straps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWindow Restraint Cables\u003c\/strong\u003e: Add stability to your greenhouse windows during windy conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 Tubes of Boss 399 Silicone Caulk\u003c\/strong\u003e: Ensure a weatherproof seal for lasting protection against the elements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePermanent Marker\u003c\/strong\u003e: Handy for labeling, marking measurements, or keeping track of your plants and tools.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Choose the RIGA Greenhouse Pro Kit?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis all-in-one starter kit is tailored to meet the needs of greenhouse enthusiasts, providing everything you need to create a professional, controlled growing environment. From lighting and ventilation to heating, sealing, and organization, the \u003cstrong\u003eRIGA XL Greenhouse Pro Kit\u003c\/strong\u003e ensures you’re ready to grow healthy, thriving plants all year round.\u003c\/p\u003e\n\u003cp\u003eInvest in your gardening success with the \u003cstrong\u003eRIGA XL Greenhouse Pro Kit\u003c\/strong\u003e and turn your RIGA XL greenhouse into the ultimate growing space.\u003c\/p\u003e","brand":"Hoklartherm","offers":[{"title":"Riga XL 5 or 6","offer_id":45676757352597,"sku":"RIGA-XL-5-6-PRO-KIT","price":3100.0,"currency_code":"USD","in_stock":true},{"title":"Riga XL 9","offer_id":45676757385365,"sku":"RIGA-XL-9-PRO-KIT","price":3799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/Riga-XL-Pro-Kit-MyGreenhouseStore-com.png?v=1779736166"},{"product_id":"hoklartherm-free-riga-greenhouse-6-inch-high-foundation-frame-with-some-riga-greenhouses","title":"Hoklartherm | FREE 6 inch High Foundation Frame with select Riga Greenhouses","description":"\u003cp\u003e\u003cstrong\u003eAdd this Foundation Frame to your cart with a corresponding Riga greenhouse and the price for the Frame will automatically become FREE with your purchase.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplies to RIGA S2, S3, S4, L3, L4, and L5 greenhouse models when ordered and delivered together with the Foundation Frame, during this month only!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis 6\" high Foundation Frame only works with the \u003cstrong\u003eHoklartherm RIGA Greenhouses\u003c\/strong\u003e. It can be used to replace a concrete or wooden footing. It will be buried in a trench to easily and securely anchor the whole greenhouse. This is a great option if other anchoring methods, such as concrete, are not desired or possible.\u003c\/p\u003e\n\u003ch6\u003eINSTALLATION VIDEO\u003c\/h6\u003e\n\u003cp\u003e\u003ciframe title=\"RIGA Greenhouse 6 inch High Foundation Frame Installation Video\" src=\"https:\/\/www.youtube.com\/embed\/VGGycKJlyTg\" class=\"responsive-video\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"Hoklartherm","offers":[{"title":"RIGA S2 (7'8\" W x 7' L x 6\" H) (Free with greenhouse)","offer_id":46415368519829,"sku":"RIGA-2S-BASE-FREE","price":824.0,"currency_code":"USD","in_stock":true},{"title":"RIGA S3 (7'8\" W x 10'6\" L x 6\" H) (Free with greenhouse)","offer_id":46415368552597,"sku":"RIGA-3S-BASE-FREE","price":1049.0,"currency_code":"USD","in_stock":true},{"title":"RIGA S4 ( 7'8\" W x 14' L x 6\" H) (Free with greenhouse)","offer_id":46415368585365,"sku":"RIGA-4S-BASE-FREE","price":1399.0,"currency_code":"USD","in_stock":true},{"title":"RIGA L3 (9'8\" W x 10'6\" L x 6\" H) (Free with greenhouse)","offer_id":46415368618133,"sku":"RIGA-3-BASE-FREE","price":1299.0,"currency_code":"USD","in_stock":true},{"title":"RIGA L4 (9'8\" W x 14' L x 7'7\" H) (Free with greenhouse)","offer_id":46965523677333,"sku":"RIGA-4-BASE-FREE","price":1499.0,"currency_code":"USD","in_stock":true},{"title":"RIGA L5 (9'8\" W x 17'6\" x 7'7\" H) (Free with greenhouse)","offer_id":46965523710101,"sku":"RIGA-5-BASE-FREE","price":1749.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/products\/exaco-hoklartherm-riga-2s-greenhouse-foundation-frame-riga-iis-base-35601648877717.jpg?v=1751050380"},{"product_id":"holkartherm-riga-black-greenhouse","title":"Hoklartherm | Riga Black Greenhouse","description":"\u003cdiv class=\"pg-product-page\"\u003e\n\u003cp\u003eThe Riga Black Greenhouse brings the proven strength of the German-made Riga line into a more refined, architectural profile. With its black powder-coated aluminum frame, elegant Victorian-style roof cresting, clear front panels, and insulated twin-wall polycarbonate body, it offers a strong balance of beauty, protection, and year-round growing performance.\u003c\/p\u003e\n\u003cp\u003eThis greenhouse is ideal for gardeners who want more than a basic backyard kit. The curved roof and sidewall design help shed snow and deflect wind, while the insulated polycarbonate glazing helps create a more stable growing environment through changing seasons. The clear plexiglass front adds visibility and a more open feeling at the entrance, giving the Riga Black a distinctive look compared to standard polycarbonate greenhouses.\u003c\/p\u003e\n\u003cp\u003eChoose the Riga Black if you want a serious four-season greenhouse with German engineering, stronger insulation than glass, and a more polished visual presence than a typical utility greenhouse.\u003c\/p\u003e\n\u003ch6\u003eKEY FEATURES\u003c\/h6\u003e\n\u003cdiv class=\"pg-feature-grid\"\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eGerman-made Hoklartherm construction:\u003c\/strong\u003e Designed and manufactured in Germany by the maker of the Riga greenhouse line.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eBlack powder-coated aluminum frame:\u003c\/strong\u003e 13-gauge aluminum extrusions provide strength, corrosion resistance, and a refined modern look.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eCurved sidewall and roof profile:\u003c\/strong\u003e Rounded shape helps shed snow, deflect wind, and improve structural performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eInsulated twin-wall polycarbonate:\u003c\/strong\u003e 8mm twin-wall polycarbonate side walls and 10mm twin-wall polycarbonate gable ends help improve insulation and durability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eClear plexiglass front:\u003c\/strong\u003e Adds visibility, light, and a more open architectural appearance at the entrance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003e2 roof vents with automatic openers:\u003c\/strong\u003e Roof windows open and close based on temperature to help release heat without constant manual adjustment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eLarge rear wall window:\u003c\/strong\u003e Adds important cross-ventilation from the back of the greenhouse.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eBarn-style Dutch door with lock:\u003c\/strong\u003e Split door improves access and airflow while the lock helps keep the greenhouse secure when not in use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pg-feature-card\"\u003e\n\u003cp\u003e\u003cstrong\u003eVictorian cast metal cresting:\u003c\/strong\u003e Decorative roof finials add a finished European greenhouse look.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch6\u003eDIMENSIONS\/SPECIFICATIONS\u003c\/h6\u003e\n\u003cp\u003eThe Riga Black is available in two sizes, Riga 4 Black and Riga 5 Black. Both models share the same 9ft 8in width, 7ft 7in peak height, black powder-coated aluminum frame, insulated polycarbonate glazing, barn-style door with lock, 2 roof vents with automatic openers, and 1 rear wall window.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;\"\u003e\n\u003cdiv style=\"background-color: #f4f8f2; padding: 20px; width: 400px;\"\u003e\n\u003ch2\u003eRiga 4 Black - 14ft Length\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFRAME\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFrame Material: \u003c\/strong\u003e13-gauge powder-coated aluminum extrusions\u003cbr\u003e\u003cstrong\u003eFrame Color: \u003c\/strong\u003eBlack\u003cbr\u003e\u003cstrong\u003eDesign: \u003c\/strong\u003eCurved sidewalls with Victorian cast metal roof cresting\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth: \u003c\/strong\u003e9ft 8in\u003cbr\u003e\u003cstrong\u003eLength: \u003c\/strong\u003e14ft\u003cbr\u003e\u003cstrong\u003ePeak Height: \u003c\/strong\u003e7ft 7in\u003cbr\u003e\u003cstrong\u003eGrowing Area: \u003c\/strong\u003e135 sq. ft.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGLAZING\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSide Walls: \u003c\/strong\u003e8mm twin-wall polycarbonate\u003cbr\u003e\u003cstrong\u003eGable Ends: \u003c\/strong\u003e10mm twin-wall polycarbonate\u003cbr\u003e\u003cstrong\u003eFront Panels: \u003c\/strong\u003eClear plexiglass\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background-color: #f4f8f2; padding: 20px; width: 400px;\"\u003e\n\u003ch2\u003eRiga 5 Black - 17ft 6in Length\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFRAME\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFrame Material: \u003c\/strong\u003e13-gauge powder-coated aluminum extrusions\u003cbr\u003e\u003cstrong\u003eFrame Color: \u003c\/strong\u003eBlack\u003cbr\u003e\u003cstrong\u003eDesign: \u003c\/strong\u003eCurved sidewalls with Victorian cast metal roof cresting\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDIMENSIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWidth: \u003c\/strong\u003e9ft 8in\u003cbr\u003e\u003cstrong\u003eLength: \u003c\/strong\u003e17ft 6in\u003cbr\u003e\u003cstrong\u003ePeak Height: \u003c\/strong\u003e7ft 7in\u003cbr\u003e\u003cstrong\u003eGrowing Area: \u003c\/strong\u003e165 sq. ft.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGLAZING\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSide Walls: \u003c\/strong\u003e8mm twin-wall polycarbonate\u003cbr\u003e\u003cstrong\u003eGable Ends: \u003c\/strong\u003e10mm twin-wall polycarbonate\u003cbr\u003e\u003cstrong\u003eFront Panels: \u003c\/strong\u003eClear plexiglass\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch6\u003eWHAT'S INCLUDED\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eBlack powder-coated aluminum frame\u003c\/li\u003e\n\u003cli\u003e8mm twin-wall polycarbonate side walls\u003c\/li\u003e\n\u003cli\u003e10mm twin-wall polycarbonate gable ends\u003c\/li\u003e\n\u003cli\u003eClear plexiglass front panels\u003c\/li\u003e\n\u003cli\u003eVictorian cast metal roof cresting and finials\u003c\/li\u003e\n\u003cli\u003eBarn-style hinged Dutch door with lock\u003c\/li\u003e\n\u003cli\u003eDoor size: 2ft 6in W x 6ft 7in H\u003c\/li\u003e\n\u003cli\u003e2 roof vents with automatic openers\u003c\/li\u003e\n\u003cli\u003eRoof vent opening size: 22in x 40in\u003c\/li\u003e\n\u003cli\u003e1 rear wall window: 3ft 5in x 2ft 1in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch6\u003eMAINTENANCE AND CARE\u003c\/h6\u003e\n\u003cdiv class=\"pg-card\"\u003e\n\u003cul\u003e\n\u003cli\u003eClean polycarbonate and plexiglass panels with mild soap, water, and a soft cloth.\u003c\/li\u003e\n\u003cli\u003eAvoid abrasive pads, harsh chemicals, or pressure washing directly against panels and seals.\u003c\/li\u003e\n\u003cli\u003eKeep roof vents, rear window, door hardware, and automatic openers free of debris.\u003c\/li\u003e\n\u003cli\u003eInspect the door lock, fasteners, anchors, and vent openers periodically.\u003c\/li\u003e\n\u003cli\u003eRemove excessive snow accumulation if conditions exceed normal design expectations.\u003c\/li\u003e\n\u003cli\u003eMaintain good airflow during warm weather to reduce heat buildup and plant stress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch6\u003eOPTIONAL ACCESSORIES\u003c\/h6\u003e\n\u003cdiv class=\"pg-card\"\u003e\n\u003cp\u003eOptional Riga-compatible accessories may include shelving, staging, shade cloth, foundation kits, extra ventilation components, and other growing accessories. Availability may vary by model and supplier.\u003c\/p\u003e\n\u003cp\u003eFor many buyers, the most important upgrades to consider are a proper foundation\/base solution, shelving or staging for growing efficiency, and shading or ventilation accessories for warm climates.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch6\u003eWarranty\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003ePolycarbonate: 15 Year Limited Warranty (prorated after 5 years)\u003c\/li\u003e\n\u003cli\u003eFrame: 15\u003cspan\u003e Year Limited Warranty\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca title=\"Hoklartherm RIGA Greenhouse Warranty\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/2022-RIGA-greenhouse-warranty-_originated-Jan-2017.pdf\" target=\"_blank\"\u003e\u003cimg width=\"200\" style=\"border: 1px solid #bdbdbd;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/RIGA_Greenhouse_Warranty_Cover.jpg\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch6\u003eMANUFACTURER INFO AND UNIQUE SELLING POSITION\u003c\/h6\u003e\n\u003cdiv class=\"pg-card\"\u003e\n\u003cp\u003eThe Riga Black is manufactured by Hoklartherm in Germany and distributed by Exaco in the United States. Hoklartherm has been manufacturing high-quality greenhouses in Germany for over 40 years, and the Riga line is known for its curved profile, insulated polycarbonate construction, and strong four-season performance.\u003c\/p\u003e\n\u003cp\u003eWhat makes the Riga Black stand out is its combination of practical greenhouse performance and refined European styling. It keeps the strength and insulation of the standard Riga line, then adds a black powder-coated frame, clear plexiglass front, and decorative Victorian cresting. For growers who want a serious polycarbonate greenhouse that also looks polished in the landscape, Riga Black is a distinctive choice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch6\u003eFREQUENTLY ASKED QUESTIONS\u003c\/h6\u003e\n\u003cdetails class=\"pg-faq-item\"\u003e\n\u003csummary\u003eWhere is the Riga Black greenhouse made?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003eThe Riga greenhouse line is made by Hoklartherm in Apen, Germany. Hoklartherm has manufactured high-quality greenhouses in Germany for over 40 years. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pg-faq-item\"\u003e\n\u003csummary\u003eWhat is the difference between Riga Black and the standard Riga greenhouse?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003eRiga Black uses the same strength and insulation concept as the standard Riga line, but adds a black powder-coated frame, clear plexiglass front, and Victorian cast metal roof cresting for a more refined appearance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pg-faq-item\"\u003e\n\u003csummary\u003eWhat glazing does Riga Black use?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003eRiga Black uses 8mm twin-wall polycarbonate side walls, 10mm twin-wall polycarbonate gable ends, and a clear plexiglass front.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pg-faq-item\"\u003e\n\u003csummary\u003eDoes the Riga Black include automatic vent openers?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003eYes. Riga Black includes 2 roof vents with automatic openers, along with 1 large rear wall window for additional ventilation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pg-faq-item\"\u003e\n\u003csummary\u003eDo I need a permit for this greenhouse?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003ePermit requirements vary by local municipality. Customers should check local rules before ordering, especially if the greenhouse size, location, foundation, or local wind and snow requirements may affect approval.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails class=\"pg-faq-item\"\u003e\n\u003csummary\u003eWhat foundation is recommended?\u003c\/summary\u003e\n\u003cdiv class=\"pg-faq-answer\"\u003e\n\u003cp\u003eThe site must be level and the greenhouse must be securely anchored. Exaco notes that customers may use a concrete strip foundation, a compatible foundation\/base frame kit, or in some cases a full concrete slab with proper drainage planning.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e","brand":"Hoklartherm","offers":[{"title":"9ft 8in x 14ft","offer_id":47337747251349,"sku":"RIGA-4-B","price":9349.0,"currency_code":"USD","in_stock":true},{"title":"9ft 8in x 17ft 6in","offer_id":47337747284117,"sku":"RIGA-5-B","price":11049.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0097\/9959\/8140\/files\/Riga-black.jpg?v=1778171441"}],"url":"https:\/\/mygreenhousestore.com\/collections\/hoklartherm-riga-greenhouses.oembed?page=2","provider":"MyGreenhouseStore.com","version":"1.0","type":"link"}