{"product_id":"grandio-summit-8-extension-kit","title":"Grandio Summit 8' Extension Kit","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe Grandio Summit 8' Extension Kit adds 8 ft. of length and approximately 64 sq. ft. of interior growing space to an existing Grandio Summit greenhouse. It integrates with the existing frame by adding new structural bays.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe extension uses a heavy-duty aluminum frame with 10 mm polycarbonate panels. It includes 4 roof vents, built-in rain gutters, and a snow load kit. Four anchoring configurations are offered to suit wood, concrete, dirt, or installations where anchoring equipment will be sourced separately.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Growing Space:\u003c\/strong\u003e Adds 8 ft. of greenhouse length and approximately 64 sq. ft. of interior growing space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e Precision-engineered to match the existing greenhouse’s frame dimensions, glazing system, and structural profile.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Frame:\u003c\/strong\u003e Constructed from 1.2 mm aluminum with 1.5 mm reinforced areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolycarbonate Glazing:\u003c\/strong\u003e Uses 10 mm polycarbonate panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVentilation:\u003c\/strong\u003e Includes 4 roof vents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRain Management:\u003c\/strong\u003e Built-in rain gutters are included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnow Load Support:\u003c\/strong\u003e A snow load kit is included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnchor Configurations:\u003c\/strong\u003e Available with wood anchoring, concrete anchoring, a dirt configuration with a base kit, or no anchor or base kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Integrates with the existing structure by adding new bays and can be installed using standard hand tools. Assembly tools are not included.\u003c\/li\u003e\n\u003c\/ul\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\u003eFrame Color:\u003c\/strong\u003e Green\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 except with the Dirt (Adds Base Kit) 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\u003eAnchor Options:\u003c\/strong\u003e Wood, Concrete, Dirt\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSize Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtension Dimensions:\u003c\/strong\u003e 12 ft. wide x 8 ft. long x 9 ft. 3 in. high\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdded Length:\u003c\/strong\u003e 8 ft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional Interior Growing Space:\u003c\/strong\u003e Approximately 64 sq. ft.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible With:\u003c\/strong\u003e Grandio Summit greenhouse model\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot Compatible With:\u003c\/strong\u003e Grandio Ascent, Elite, or Element greenhouse models\u003c\/p\u003e\n\u003ch3\u003eIncluded\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10 mm 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\u003eSelected anchoring configuration\u003c\/li\u003e\n\u003cli\u003eSteel base kit with the Dirt (Adds Base Kit) configuration only\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 Intended for decks, wooden platforms, and timber bases. The Wood Anchoring Kit is required to fasten the greenhouse to the wood foundation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcrete Installation:\u003c\/strong\u003e Intended for pavement, concrete slabs, and other hard surfaces. The Concrete Anchoring Kit is required to fasten the greenhouse to the hard surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGround or Dirt Installation:\u003c\/strong\u003e Dirt or earth installation requires the steel base kit. The powder-coated steel base provides added stability and rigidity, resists rust and corrosion, and adds 3 in. of headroom. Frame-to-base brackets are available separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum Frame:\u003c\/strong\u003e Lifetime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolycarbonate Panels:\u003c\/strong\u003e 15 years\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Grandio Greenhouses","offers":[{"title":"Default Title","offer_id":51035014070519,"sku":"SUMMIT-8X","price":2200.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/1868\/3895\/files\/WEB-VSV-WVK1_4.png?v=1786980116","url":"https:\/\/northgridsupply.com\/products\/grandio-summit-8-extension-kit","provider":"Northgrid Supply","version":"1.0","type":"link"}