The Colonial Gable Greenhouse pairs a classic gable roofline with heavy glazing — 25 windows and 12 transom panels wrap the 8' x 8' structure in light, backed by a corrugated polycarbonate roof for diffused overhead sun. A 120 mph wind rating and stainless fasteners make this a genuinely durable growing structure, not a flimsy garden-center add-on, while a 513 cubic foot interior gives you real room for benches, shelving, and mature plants. Specs & Features Footprint: 8' x 8', 64 sq ft floor space, 513 cu ft of interior volume Sidewall height 6'4.5"; interior peak height 9'1.75"; exterior peak height 10'1.25" Colonial Dutch door, 34" x 72" 25 windows (18" x 22") plus 12 transom windows (10" x 18") Corrugated polycarbonate roof panels, 5/12 pitch LP SmartSide siding backed by a 50-year prorated warranty Stainless steel fasteners throughout 120 mph wind rating Panelized construction — pre-sided, primed wall sections, no cutting required The gable roofline and heavy glazing make this a straightforward, no-frills growing space for gardeners who want maximum light without the added complexity of an octagon layout. As with the rest of the panelized line, walls arrive pre-fastened and primed; expect a full weekend to install the large number of window units and complete the polycarbonate roof. Shingle-free by design, the polycarbonate roof panels are included — customer supplies exterior paint and any interior benching.