How To Keep Metal Porch Roof From Sweating

The lower the pitch of a metal shed roof and also the deeper the corrugations the.

How to keep metal porch roof from sweating.

This roll of plastic will help keep the moisture from leaving the attic. When conditions change the ambient air temperature usually rises thereby raising the dew point. Build your structure where possible in an elevated position with good natural drainage. Place a vapor retarder under floor gravel or concrete ventilate enclosed building when concrete is being poured and continue to ventilate.

Line the attic ceiling with a plastic vapor barrier. Roll out the vapor barrier and cut it to size with a utility knife to fit over the ceiling. The key to getting condensation to evaporate is air flow. Use the nail gain to affix the plywood onto the frame of the structure.

Drip stop can be applied to the back of metal coils either galvalume plus or painted and then the metal can be roll formed onto panels. If there is no high level ventilation already installed install a 15cm ventilation grille at the highest point at each end of the eaves. The five key points to stop your metal roof sweating are. Fighting condensation factor 1 keep moisture from getting in.

Add as many plywood sheets as possible in order to cover the entire roof. You must have a vent at both ends not just one. The goal is to use as many full sheets of plywood as possible. Hoist the plywood on top of the structure and line it up.

Tape it all the way around with duct tape so it is secure and make sure there are no gaps or seams for any moisture to get through.