How To Keep Metal Porch Roof From Sweating

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.

How to keep metal porch roof from sweating.

You must have a vent at both ends not just one. The key to getting condensation to evaporate is air flow. Fighting condensation factor 1 keep moisture from getting in. Having ventilation holes around the roof at eaves level and in.

Line the attic ceiling with a plastic vapor barrier. This will provide flow through ventilation at the point where the hottest air rises to. Build your structure where possible in an elevated position with good natural drainage. Use the nail gain to affix the plywood onto the frame of the structure.

Place a vapor retarder under floor gravel or concrete ventilate enclosed building when concrete is being poured and continue to ventilate. The moisture is then released from the drip stop material back into the air in the form of normal humidity. 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. The lower the pitch of a metal shed roof and also the deeper the corrugations the.

If there is no high level ventilation already installed install a 15cm ventilation grille at the highest point at each end of the eaves. Add as many plywood sheets as possible in order to cover the entire roof. When conditions change the ambient air temperature usually rises thereby raising the dew point. This roll of plastic will help keep the moisture from leaving the attic.

The five key points to stop your metal roof sweating are.