Twin Wall - Bronze (Smoke) 10mm - Polycarbonate Sheets Shutter Fan featuring a frame with corners

featuring a frame with corners that are both precision-milled and welded for superior structural strength

To further customize the Alpine 26 greenhouse to your farming needs

The shutter features a heavy-duty extruded aluminum frame with corners that are precision-milled and welded to ensure maximum structural integrity

or concrete block walls

Ventilation windows with manual or automatic openings

Twin Wall - Bronze (Smoke) 10mm - Polycarbonate Sheets Shutter Fan featuring a frame with corners10mm LEXAN THERMOCLEAR: LEXAN THERMOCLEAR 10mm twin wall polycarbonate sheet provides outstanding strength, thermal insulation, and UV protection in a lightweight, easy to install sheet. 10mm Double Wall Polycarbonate Panels Available in "Clear", "Bronze" or "Opal" The size of each sheet is 4' x 8' (4 feet by 8 feet) Weight of each sheet is 3. 18kg 7lbs Thickness is 10mm UV protection 2UV Price per sheet: $115 10 Year Warranty