What materials are most commonly used for glazing commercial greenhouses?
- Type 1: Thin plastic films, generally ranging from 2 to 8 mils (.002”‐.008”), normally installed using two layers with air inflation between the layers to provide added insulation. Specific types of films: ethylene vinyl acetate (EVA), polycarbonate (PC), polyester, polyethylene (PE), polyvinyl chloride (PVC), and polyvinyl fluoride.
- Type II: Rigid Plastic panels such as single layer corrugated polycarbonate and fiber glass‐reinforced plastic (FPR); multi‐wall acrylic, impact modified acrylic and poly carbonate
- Type III: Rigid Glass materials including annealed, tempered and laminated.
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