Twin Wall - Opal 8mm - Polycarbonate Sheets Color:Opal Features two split doors at

Features two split doors at either end

We recommend installing an even number of ventilation windows on either side of the greenhouse for optimum airflow

making it perfect for tough winter climates

Grow through the seasons with your own remarkable micro-climate

Twin Wall - Opal 8mm - Polycarbonate Sheets Color:Opal Features two split doors at8mm LEXAN VEROLITE : LEXAN VEROLITE 8mm twin wall polycarbonate sheet provides excellent light transmission, advanced UV protection, and excellent thermal insulation in a lightweight sheet. 8mm Double Wall Polycarbonate Panels Available in "Clear", "Bronze" or "Opal" Size of each sheet is 4' x 8' (4 feet by 8 feet) Weight of each sheet is 3. 18kg 7lbs Thickness is 8mm UV protection 1UV + DRP Price per sheet: $100 10 Year Warranty