Greenhouse Glazing Materials

Some basics, pros, and cons

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

Covered Production Area U.S. 2003*

Growing Area Millions ft2

Glass 69.4

Fiberglass 77.0

Film 334.6

Shade Cloth 348.2

TOTAL 829.1

*For reporting growers with sales in excess of $100,000. Source:Jerardo, Alberto. 2004. Floriculture and Nursery Crops Outlook. USDA/ERS. FLO-03