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These are 15 clear polycarbonate sheets, each 2 ft by 4 ft and about 0.24 in thick, with a corrugated profile for roofing greenhouses, sheds, carports and walkway covers. Polycarbonate is far tougher than glass or acrylic and shrugs off hail and impact, and the UV treatment slows the yellowing that dulls cheaper plastic over time. The corrugated shape sheds water and overlaps neatly on a pitched roof. Against twin-wall panels, single-layer corrugated sheet is lighter and simpler to cut but insulates less, so it suits season-extending structures rather than heated year-round growing.
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Lowest price we've seen: $112.99 on Nov 11 at Amazon. Tracked across 1 store since Nov 11.
This set includes 15 polycarbonate panels for greenhouse and roofing use. The translucent material lets light through and blocks UV rays. The panels are waterproof and impact resistant.
Each panel has a protective film that you peel off before installation. Striped guides on the panel show where to cut. The panels can be used indoors or outdoors, including on garden greenhouses, plant shelters, walkway and corridor roofs, garages and indoor pool roofs.
