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A 14-pack of clear polycarbonate roof panels, each 2 by 4 feet and about 0.16 inch thick, sold for covering greenhouse roofs and other glazed frames. Polycarbonate is far lighter than glass and resists cracking, so a panel this size is easy for one person to lift and fix in place. The twin-wall-style sheet traps some air for insulation, though it blocks less heat than double glazing and will yellow under long sun exposure. Buyers rate it 4.7 out of 5, and the common complaints are thin sheets that flex and edges that need sealing.
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Lowest price we've seen: $72.07 on Nov 13 at Wayfair. Tracked across 6 stores since Nov 13.
Buyers rate the panels well and mostly use them to repair or build greenhouse roofs. They like the light weight and the easy cutting; some find the sheets thinner and more flexible than expected.
