05-02-2017, 05:54 PM
an $8 per sheet difference
The cheap stuff is PVC and it can turn brittle/cloudy; mine is actually sagging.
The expensive stuff is polycarbonate.
HPM's polycarbonate is thicker.
Best roofing screws are stainless, also from HPM. Worth the expense.
The cheap stuff is PVC and it can turn brittle/cloudy; mine is actually sagging.
The expensive stuff is polycarbonate.
HPM's polycarbonate is thicker.
Best roofing screws are stainless, also from HPM. Worth the expense.