-independently and specifically designed for Canadian weather -powder coated aluminium frame -polycarbonate paneling -includes temperature controlled opening/closing windows to provide ventilation, eavestroughs and sliding door. Greenhouse dimensions and price (do not include tax): -colour: green, 6 x 8 x 6 x 7.5ft - $899 -colour: green, 10 x 10 x 6 x 8.5ft (peak height) - $2000 -colour: white, 8 x 10 x 5 x 7.5ft - $1699 -colour: white, 10 x 12 x 5 x 7.5ft - $2000 Additionals (do not include tax): -Polycarbonate paneling: 6 x 12 - $159 / sheet -Shelving: 6ft long unit - $79, 5ft long unit - $69 -Temperature controlled window unit - $45