How To Keep Metal Porch Roof From Sweating

The goal is to use as many full sheets of plywood as possible.

How to keep metal porch roof from sweating.

This roll of plastic will help keep the moisture from leaving the attic. Fighting condensation factor 1 keep moisture from getting in. 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. Add as many plywood sheets as possible in order to cover the entire roof.

Hoist the plywood on top of the structure and line it up. The moisture is then released from the drip stop material back into the air in the form of normal humidity. The lower the pitch of a metal shed roof and also the deeper the corrugations the. 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.

Use the nail gain to affix the plywood onto the frame of the structure. The key to getting condensation to evaporate is air flow. Build your structure where possible in an elevated position with good natural drainage. Having ventilation holes around the roof at eaves level and in.

When conditions change the ambient air temperature usually rises thereby raising the dew point. Place a vapor retarder under floor gravel or concrete ventilate enclosed building when concrete is being poured and continue to ventilate. This will provide flow through ventilation at the point where the hottest air rises to. 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.