Building a stand alone covered deck. Snap lock roof over purlins. What is best way to prevent dripping moisture?
Guest User
2013-11-03 12:22:37.000000
Insulation and proper moisture control.
Easiest and most effective insulation is going to be SPF (Spray Polyurethane Foam).
I still do not prefer spraying to the back side of the metal in this case. I would always want to see some sort of isolation layer like a rigid foam.
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