{"product_id":"grandio-summit-12x8-greenhouse-kit","title":"Grandio Summit 12x8 Greenhouse Kit","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThis 12 ft. x 8 ft. greenhouse provides a wide, barn-style growing structure with a 9 ft. 3 in. peak height. Its powder-coated aluminum frame incorporates cross-roof trusses and cross-corner bracing, while 10 mm twin-wall polycarbonate panels enclose the growing space.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe greenhouse includes 4 roof vents, built-in rain gutters, a snow-load kit, and a bind-resistant double sliding door with a magnetic latch and key lock. Wood, concrete, and dirt anchoring configurations are selectable to accommodate different installation surfaces.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced Aluminum Frame:\u003c\/strong\u003e The heavy-duty aluminum frame uses 1.2 mm members with 1.5 mm reinforced areas, cross-roof trusses, and cross-corner bracing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwin-Wall Panels:\u003c\/strong\u003e The greenhouse uses 10 mm twin-wall polycarbonate panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTall Barn-Style Design:\u003c\/strong\u003e The 9 ft. 3 in. peak height provides substantial vertical space within the 12 ft. x 8 ft. structure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble Sliding Door:\u003c\/strong\u003e The bind-resistant double sliding door measures 3 ft. 6 in. x 7 ft. 1.5 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLockable Entry:\u003c\/strong\u003e A magnetic latch with key lock secures the sliding door.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoof Ventilation:\u003c\/strong\u003e 4 roof vents are included for ventilation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRainwater Management:\u003c\/strong\u003e Built-in rain gutters are incorporated into the greenhouse.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural Weather Ratings:\u003c\/strong\u003e The greenhouse has a maximum snow-load rating of 25 lbs.\/ft² of snow and withstands winds up to 76 mph when properly anchored.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpandable Design:\u003c\/strong\u003e The structure accepts 4 ft. or 8 ft. extension lengths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Rear Entry:\u003c\/strong\u003e An optional back-door transformation kit is available separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstyle\u003e\n  .grandio-summit-features {\n    width: 100%;\n    padding: 12px 10px;\n    background-color: #fbfaf7;\n    box-sizing: border-box;\n  }\n\n  .grandio-summit-grid {\n    display: grid;\n    grid-template-columns: repeat(2, minmax(0, 1fr));\n    gap: 10px;\n    width: 100%;\n    margin: 0 auto;\n  }\n\n  .grandio-summit-card {\n    min-height: 54px;\n    padding: 12px 15px;\n    display: flex;\n    align-items: center;\n    gap: 14px;\n    background-color: #fff7e8;\n    border-radius: 11px;\n    box-sizing: border-box;\n  }\n\n  .grandio-summit-card:last-child {\n    grid-column: 1 \/ -1;\n    width: calc(50% - 5px);\n    justify-self: center;\n  }\n\n  .grandio-summit-icon {\n    width: 28px;\n    height: 28px;\n    flex: 0 0 28px;\n    object-fit: contain;\n  }\n\n  .grandio-summit-text {\n    margin: 0;\n    color: #242424;\n    font-family: Arial, Helvetica, sans-serif;\n    font-size: 12px;\n    font-weight: 400;\n    line-height: 1.4;\n  }\n\n  @media screen and (max-width: 749px) {\n    .grandio-summit-features {\n      padding: 10px 0;\n    }\n\n    .grandio-summit-grid {\n      grid-template-columns: 1fr;\n    }\n\n    .grandio-summit-card,\n    .grandio-summit-card:last-child {\n      grid-column: auto;\n      width: 100%;\n      justify-self: stretch;\n    }\n\n    .grandio-summit-text {\n      font-size: 13px;\n    }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"grandio-summit-features\"\u003e\n\u003cdiv class=\"grandio-summit-grid\"\u003e\n\u003cdiv class=\"grandio-summit-card\"\u003e\n\u003cimg class=\"grandio-summit-icon\" src=\"https:\/\/grandiogreenhouses.com\/cdn\/shop\/files\/barbell_icon_a00bb9bf-467c-402f-a792-33e476a4e737.png?v=1773964924\u0026amp;width=64\" alt=\"Heavy-duty construction icon\" loading=\"lazy\" width=\"28\" height=\"28\"\u003e\n\u003cp class=\"grandio-summit-text\"\u003eHeavy-Duty Construction \u0026amp; Rust Proof\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grandio-summit-card\"\u003e\n\u003cimg class=\"grandio-summit-icon\" src=\"https:\/\/grandiogreenhouses.com\/cdn\/shop\/files\/thermometer_icon_da48a2c5-fab4-456d-8dcd-e870b92d5e23.png?v=1773964925\u0026amp;width=64\" alt=\"Year-round insulation icon\" loading=\"lazy\" width=\"28\" height=\"28\"\u003e\n\u003cp class=\"grandio-summit-text\"\u003eExceptional Year-Round Insulation\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grandio-summit-card\"\u003e\n\u003cimg class=\"grandio-summit-icon\" src=\"https:\/\/grandiogreenhouses.com\/cdn\/shop\/files\/house_icon_15b1fa68-5d02-4819-8cc3-9cf823d73b8b.png?v=1773964925\u0026amp;width=64\" alt=\"Greenhouse peak height icon\" loading=\"lazy\" width=\"28\" height=\"28\"\u003e\n\u003cp class=\"grandio-summit-text\"\u003eImpressive 9.25' Peak Height Maximum Headroom \u0026amp; Vertical Space\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grandio-summit-card\"\u003e\n\u003cimg class=\"grandio-summit-icon\" src=\"https:\/\/grandiogreenhouses.com\/cdn\/shop\/files\/ventilation_icon_feb4fc0c-0e1e-4741-a6a5-1d86bcd9d4f8.png?v=1773964925\u0026amp;width=64\" alt=\"Ventilation icon\" loading=\"lazy\" width=\"28\" height=\"28\"\u003e\n\u003cp class=\"grandio-summit-text\"\u003eAdvanced Ventilation \u0026amp; All-Weather Performance\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grandio-summit-card\"\u003e\n\u003cimg class=\"grandio-summit-icon\" src=\"https:\/\/grandiogreenhouses.com\/cdn\/shop\/files\/doors_icon_8f8e266a-a51f-4903-8e14-b9d77b7021eb.png?v=1773964925\u0026amp;width=64\" alt=\"Wide lockable double sliding doors icon\" loading=\"lazy\" width=\"28\" height=\"28\"\u003e\n\u003cp class=\"grandio-summit-text\"\u003eWide, Lockable, Double Sliding Doors\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2\u003ePremium Upgrade\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoof Vent Auto Openers:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlant Hangers:\u003c\/strong\u003e 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Static Panel Cleaner:\u003c\/strong\u003e 1 Brillianize Anti-Static Panel Cleaner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrellising Kit:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrip Irrigation Kit:\u003c\/strong\u003e 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCurrent Upgrade Price:\u003c\/strong\u003e $0.00\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrossed-Out Upgrade Price:\u003c\/strong\u003e $519.00\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 9 ft. 3 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 12 ft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 8 ft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e 1.2 mm heavy-duty aluminum with 1.5 mm reinforced areas\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforcement:\u003c\/strong\u003e Cross-roof trusses and cross-corner bracing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Color:\u003c\/strong\u003e Powder-coated green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoor Type:\u003c\/strong\u003e Bind-resistant double sliding door\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLatch:\u003c\/strong\u003e Magnetic latch with key lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoor Dimensions:\u003c\/strong\u003e 3 ft. 6 in. x 7 ft. 1.5 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolycarbonate Panel Thickness:\u003c\/strong\u003e 10 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Roof Vents:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRain Gutters:\u003c\/strong\u003e Built-in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteel Base Kit:\u003c\/strong\u003e Sold separately; added with the Dirt anchor configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnow-Load Kit:\u003c\/strong\u003e Included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Back-Door Kit:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtendable:\u003c\/strong\u003e Yes, 4 ft. or 8 ft. length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnchor Options:\u003c\/strong\u003e Wood, Concrete, Dirt (with added Steel Base Kit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnow Rating:\u003c\/strong\u003e Maximum snow load of 25 lbs.\/ft² of snow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWind Rating:\u003c\/strong\u003e Withstands winds up to 76 mph when properly anchored\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSize Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Size:\u003c\/strong\u003e 12 ft. wide x 8 ft. long x 9 ft. 3 in. high\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoor Size:\u003c\/strong\u003e 3 ft. 6 in. wide x 7 ft. 1.5 in. high\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible With:\u003c\/strong\u003e 4 ft. and 8 ft. Summit extension lengths and the optional back-door transformation kit.\u003c\/p\u003e\n\u003ch3\u003eIncluded\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy-duty powder-coated aluminum frame\u003c\/li\u003e\n\u003cli\u003e10 mm twin-wall polycarbonate panels\u003c\/li\u003e\n\u003cli\u003e4 roof vents\u003c\/li\u003e\n\u003cli\u003eBuilt-in rain gutters\u003c\/li\u003e\n\u003cli\u003eSnow-load kit\u003c\/li\u003e\n\u003cli\u003eCross-roof trusses\u003c\/li\u003e\n\u003cli\u003eCross-corner bracing\u003c\/li\u003e\n\u003cli\u003eBind-resistant double sliding door\u003c\/li\u003e\n\u003cli\u003eMagnetic latch with key lock\u003c\/li\u003e\n\u003cli\u003eFlat-mount base\/anchor kit for the selected Wood or Concrete installation configuration\u003c\/li\u003e\n\u003cli\u003eStainless-steel hardware\u003c\/li\u003e\n\u003cli\u003eRequired assembly tools\u003c\/li\u003e\n\u003cli\u003e4 roof-vent auto openers with the Premium Upgrade\u003c\/li\u003e\n\u003cli\u003e10 plant hangers with the Premium Upgrade\u003c\/li\u003e\n\u003cli\u003e1 Brillianize Anti-Static Panel Cleaner with the Premium Upgrade\u003c\/li\u003e\n\u003cli\u003e1 trellising kit with the Premium Upgrade\u003c\/li\u003e\n\u003cli\u003e1 drip-irrigation kit with the Premium Upgrade\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFoundation \u0026amp; Anchoring Solutions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood Installation:\u003c\/strong\u003e Select the Wood anchor configuration for decks, wooden platforms, or timber bases. The Wood Anchoring Kit secures the greenhouse to the wood foundation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcrete Installation:\u003c\/strong\u003e Select the Concrete anchor configuration for pavement, concrete slabs, or other hard surfaces. The Concrete Anchoring Kit secures the greenhouse to the hard surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGround or Dirt Installation:\u003c\/strong\u003e Select the Dirt anchor configuration for dirt or earth installations. This configuration adds the required heavy-duty powder-coated steel base kit for $499. The base provides an additional 3 in. of headroom.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e Lifetime warranty on the aluminum frame; 15-year warranty on the polycarbonate panels.\u003c\/p\u003e\n\u003ch3\u003eProduct Support\u003cspan\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0905\/1868\/3895\/files\/Grandio-Summit-Concrete-Anchoring-Kit-Supplement-Manual-1.pdf?v=1786974787\"\u003e\u003cspan\u003eGrandio Summit Concrete Anchoring Kit Supplement Manual\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0905\/1868\/3895\/files\/Grandio-Summit-Wood-Anchoring-Kit-Supplement-Manual-1.pdf?v=1786974759\"\u003e\u003cspan\u003eGrandio Summit Wood Anchoring Kit Supplemental Manual\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0905\/1868\/3895\/files\/Grandio-Summit-Shade-Net-Installation.pdf?v=1786974719\"\u003e\u003cspan\u003e\u003cspan class=\"manual-name\"\u003eGrandio Summit Shade Net Installation - Shade Nets Purchased Before March 2025\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/pub-6bf62a85fb2e43c5a9915b1beb8cb947.r2.dev\/summit-manuals\/Grandio-Summit-Manual-1-Base-Kit-Assembly-Instructions-and-Earth-Installation..pdf\"\u003e\u003cspan\u003e\u003cspan class=\"manual-name\"\u003eGrandio Summit Base Kit Assembly \u0026amp; Dirt Installation\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0905\/1868\/3895\/files\/Summit_manual_3.pdf?v=1786974591\"\u003e\u003cspan\u003e\u003cspan class=\"manual-name\"\u003eGrandio Summit Manual 3 - Parts List\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/pub-6bf62a85fb2e43c5a9915b1beb8cb947.r2.dev\/summit-manuals\/Summit-manual_2_assembly-1-2.pdf\"\u003e\u003cspan\u003e\u003cspan class=\"manual-name\"\u003eGrandio Summit Manual 2 - Greenhouse Assembly and Installation\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/pub-6bf62a85fb2e43c5a9915b1beb8cb947.r2.dev\/summit-manuals\/Summit-Manual_1_10-3-2022.pdf\"\u003e\u003cspan\u003e\u003cspan class=\"manual-name\"\u003eGrandio Summit Manual 1 - Base Kit Assembly and Installation\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"manual-name\"\u003ePrintable Spec\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"Product%20Support%20Grandio%20Summit%20Concrete%20Anchoring%20Kit%20Supplement%20Manual%20Grandio%20Summit%20Wood%20Anchoring%20Kit%20Supplemental%20Manual%20Grandio%20Summit%20Shade%20Net%20Installation%20-%20Shade%20Nets%20Purchased%20Before%20March%202025%20Grandio%20Summit%20Base%20Kit%20Assembly%20\u0026amp;amp;%20Dirt%20Installation%20Grandio%20Summit%20Manual%203%20-%20Parts%20List%20Grandio%20Summit%20Manual%202%20-%20Greenhouse%20Assembly%20and%20Installation%20Grandio%20Summit%20Manual%201%20-%20Base%20Kit%20Assembly%20and%20Installation%20%20Printable%20Spec%20%20With%20Steel%20Base%20Flat%20Base\"\u003e\u003cspan\u003e\u003cspan class=\"manual-name\"\u003eWith Steel Base\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0905\/1868\/3895\/files\/5_7b34cdf8-2a77-436a-a30f-d2a49b1610e9.png?v=1786973449\"\u003e\u003cspan\u003e\u003cspan class=\"manual-name\"\u003eFlat Base\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Grandio Greenhouses","offers":[{"title":"Wood \/ No Upgrade","offer_id":51034543587575,"sku":"SUMMIT-128-WOOD","price":3899.0,"currency_code":"USD","in_stock":false},{"title":"Wood \/ Add Premium Upgrade","offer_id":51034543620343,"sku":"SUMMIT-128-UPG-WOOD","price":3899.0,"currency_code":"USD","in_stock":false},{"title":"Concrete \/ No Upgrade","offer_id":51034543653111,"sku":"SUMMIT-128-CONCRETE","price":3899.0,"currency_code":"USD","in_stock":false},{"title":"Concrete \/ Add Premium Upgrade","offer_id":51034543685879,"sku":"SUMMIT-128-UPG-CONCRETE","price":3899.0,"currency_code":"USD","in_stock":false},{"title":"Dirt (Adds Base kit $499) \/ No Upgrade","offer_id":51034543718647,"sku":"SUMMIT-128-DIRT499","price":4398.0,"currency_code":"USD","in_stock":false},{"title":"Dirt (Adds Base kit $499) \/ Add Premium Upgrade","offer_id":51034543751415,"sku":"SUMMIT-128-UPG-DIRT499","price":4398.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/1868\/3895\/files\/1_c9490eec-5943-4e52-867f-42c84aaccd38.png?v=1786973449","url":"https:\/\/northgridsupply.com\/products\/grandio-summit-12x8-greenhouse-kit","provider":"Northgrid Supply","version":"1.0","type":"link"}