{"product_id":"grandio-ascent-8x20-greenhouse-kit","title":"Grandio Ascent 8x20 Greenhouse Kit","description":"\u003cp\u003e160 sq ft of premium growing space under a nearly 8 ft peak. The Grandio Ascent 8x20 is built for growers who want the most a residential greenhouse can offer: heavy-duty powder-coated aluminum frame, 6mm twin-wall polycarbonate, 5 adjustable roof vents, and the steel base kit and snow load kit included as standard.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e7 ft 9 in peak height and a 3 ft 6 in x 6 ft double sliding door fit people, wheelbarrows, and large containers\u003c\/li\u003e\n\u003cli\u003e1.2 mm heavy-duty aluminum frame is rust proof and withstands winds up to 76 mph when properly anchored\u003c\/li\u003e\n\u003cli\u003e6mm twin-wall polycarbonate panels insulate and diffuse UV for consistent growth in all seasons\u003c\/li\u003e\n\u003cli\u003eSnow load kit included, rated for a maximum snow load of 25 lbs per sq ft\u003c\/li\u003e\n\u003cli\u003eSteel base kit included for a rigid perimeter foundation on any surface\u003c\/li\u003e\n\u003cli\u003e5 roof vents with multi-level handles plus built-in rain gutters\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e running multiple dedicated growing zones at once: seedlings, mature vegetables, overwintering tropicals, and cut flowers. A strong fit for small-scale market gardeners and homesteaders. It offers 25 percent more space than the 8x16, and an optional back door transformation kit creates a walkthrough layout.\u003c\/p\u003e\u003ch4\u003eWhat's included\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePowder-coated aluminum frame (green)\u003c\/li\u003e\n\u003cli\u003e6mm twin-wall polycarbonate panels\u003c\/li\u003e\n\u003cli\u003eBind-resistant double sliding doors with easy latch and double ball catch\u003c\/li\u003e\n\u003cli\u003e5 roof vents, built-in rain gutters, and downspouts\u003c\/li\u003e\n\u003cli\u003eHeavy-duty steel base kit and snow load kit\u003c\/li\u003e\n\u003cli\u003eStainless hardware, assembly tools, and anchoring components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAnchor options\u003c\/h4\u003e\u003cp\u003eChoose Wood for decks and timber platforms, Concrete for slabs and hard surfaces, or Dirt for direct soil installation with earth anchors. The included steel base kit is used with all three.\u003c\/p\u003e\u003ch4\u003ePremium upgrade\u003c\/h4\u003e\u003cp\u003eThe optional premium upgrade adds 5 automatic roof vent openers, 20 plant hangers, a trellising kit, a drip irrigation kit, and Brillianize anti-static panel cleaner.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHeight\u003c\/th\u003e\n\u003ctd\u003e7 ft 9 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWidth\u003c\/th\u003e\n\u003ctd\u003e8 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLength\u003c\/th\u003e\n\u003ctd\u003e20 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFrame\u003c\/th\u003e\n\u003ctd\u003e1.2 mm heavy-duty aluminum, powder coated green\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePanels\u003c\/th\u003e\n\u003ctd\u003e6mm twin-wall polycarbonate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDoor\u003c\/th\u003e\n\u003ctd\u003eBind-resistant double sliding door, 3 ft 6 in x 6 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRoof vents\u003c\/th\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRain gutters\u003c\/th\u003e\n\u003ctd\u003eBuilt-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSteel base kit\u003c\/th\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSnow load kit\u003c\/th\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBack door kit\u003c\/th\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSnow rating\u003c\/th\u003e\n\u003ctd\u003e25 lbs\/sq ft maximum snow load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWind rating\u003c\/th\u003e\n\u003ctd\u003eUp to 76 mph when anchored properly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eExtendable\u003c\/th\u003e\n\u003ctd\u003eYes, with Ascent extension kits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch4\u003eWarranty\u003c\/h4\u003e\u003cp\u003eLifetime warranty on the aluminum frame and a 15-year limited warranty on the polycarbonate panels.\u003c\/p\u003e\u003ch3\u003eWhy buy from Renewable Outdoors\u003c\/h3\u003e\u003ch4\u003eShipping\u003c\/h4\u003e\u003cp\u003eFree ground shipping in the continental US.\u003c\/p\u003e\u003ch4\u003eWarranty support\u003c\/h4\u003e\u003cp\u003eWe handle warranty claims with Grandio directly so you don't have to chase the manufacturer.\u003c\/p\u003e\u003ch4\u003eReturns\u003c\/h4\u003e\u003cp\u003e30-day returns on unopened items. See our \u003ca href=\"\/policies\/refund-policy\"\u003ereturn policy\u003c\/a\u003e for details.\u003c\/p\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003cdetails\u003e\u003csummary\u003eHow hard is assembly?\u003c\/summary\u003e\u003cp\u003ePlan a full weekend or two days with a helper for a greenhouse this size. The kit includes labeled parts, stainless hardware, required tools, and step-by-step instructions, and Grandio provides official assembly videos.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat foundation do I need?\u003c\/summary\u003e\u003cp\u003eThe included steel base kit creates a rigid perimeter frame that works on concrete, wood decks, or bare ground. Just pick the matching anchor option so the hardware fits your surface. Earth installations use L-bolt anchors, often set in concrete for extra hold.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan it be used year-round?\u003c\/summary\u003e\u003cp\u003eYes. The twin-wall panels retain heat in cooler months and the 5 roof vents manage summer temps. Many owners add a small heater for frost protection and shade cloth in peak summer.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eHow does it handle wind and snow?\u003c\/summary\u003e\u003cp\u003eThe Ascent is rated for 76 mph winds and 25 lbs per sq ft of snow when properly anchored, and the snow load kit comes standard rather than as an add-on.\u003c\/p\u003e\u003c\/details\u003e","brand":"Grandio","offers":[{"title":"Wood \/ No Upgrade","offer_id":49934982938867,"sku":"GRD-ASC-820-W","price":4399.0,"currency_code":"USD","in_stock":true},{"title":"Concrete \/ No Upgrade","offer_id":49934982971635,"sku":"GRD-ASC-820-C","price":4399.0,"currency_code":"USD","in_stock":true},{"title":"Dirt \/ No Upgrade","offer_id":49934983004403,"sku":"GRD-ASC-820-D","price":4399.0,"currency_code":"USD","in_stock":true},{"title":"Wood \/ Add Premium Upgrade","offer_id":49934983037171,"sku":"GRD-ASC-820-W-P","price":4998.0,"currency_code":"USD","in_stock":true},{"title":"Concrete \/ Add Premium Upgrade","offer_id":49934983069939,"sku":"GRD-ASC-820-C-P","price":4998.0,"currency_code":"USD","in_stock":true},{"title":"Dirt \/ Add Premium Upgrade","offer_id":49934983102707,"sku":"GRD-ASC-820-D-P","price":4998.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/6055\/1667\/files\/Ascent_8x16_Eagle_3_7970914b-840c-47be-a39f-b08f1620936a.jpg?v=1784320527","url":"https:\/\/renewableoutdoors.com\/products\/grandio-ascent-8x20-greenhouse-kit","provider":"Renewable Outdoors","version":"1.0","type":"link"}