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Which thickness of polycarbonate sheet is best for roofing?
Fundamentally the sheet thickness of polycarbonate is depend on the intended use. For example, if you are roofing outdoor applications, 3-6mm solid clear polycarbonate is enough,5-8mm twin-wall polycarbonate is also suitable. And 8mm double-wall polycarbonate for greenhouse cover. When it comes to polycarbonate roofing, you also consider the climate, wind, and snow local. And the cost is another important factor.