1. Greenhouse Glazing Materials Some basics, pros, and cons

2. Glazing Classifications  Type I Thin films, 2-8 mills.002 -.008” inch Polyethylene, EVA, PVC films, and polyester  Type II Flexible plastics FRP, polycarbonate, acrylics, plastic fused to glass  Type III Rigid materials – float glass, tempered class, rolled patterned glass

20. Covered Production Area U.S. 2003* Growing AreaMillions ft 2 Glass69.4 Fiberglass77.0 Film334.6 Shade Cloth348.2 TOTAL829.1 *For reporting growers with sales in excess of $100,000. Source:Jerardo, Alberto. 2004. Floriculture and Nursery Crops Outlook. USDA/ERS. FLO-03