"ClearCO" 8mm twinwall polycarbonate sheet from www.greenhouseplastics.ca is suitable for greenhouses, solariums, gazebos, covered walkways, window glazing and other farming and gardening applications. Our material is UV protected and warranted for 15 years. Call 250 888 9982 now to discuss assembly details and construction techniques. Please call 250 888 9982 www.greenhouseplastics.ca Pricing sample: 1 x ClearCO 8mm Polycarbonate Twinwall, CLEAR, 4x8, 32sq. ft. = $127.85ea. (Approx. 9.6lbs) 1 x ClearCO 8mm Polycarbonate Twinwall, CLEAR, 4x12, 48sq. ft. = $157.85ea. (Approx. 13lbs) 1 x 12ft. length H channel sheet joiner, $26ea. 1 x 12ft. length U channel end cap, $19ea. +taxes Take a look at the ClearCO.ca installation guide: http://www.greenhouseplastics.ca/pdf/clearco_install_guide.jpg (Freight charges will apply to non-Vancouver Island locations. We use Dan Foss and Ace Courier and feel free to arrange your own shipping). Note: material ships from Vancouver, typical cost of shipping to Vancouver Island addresses is approx. $60 via Dan Foss. ClearCO.ca has an office in Victoria and an industrial building in Duncan BC and has been in business since 1990. Thank-you.