How To Keep Metal Porch Roof From Sweating

This will provide flow through ventilation at the point where the hottest air rises to.

How to keep metal porch roof from sweating.

Line the attic ceiling with a plastic vapor barrier. Hoist the plywood on top of the structure and line it up. This roll of plastic will help keep the moisture from leaving the attic. The five key points to stop your metal roof sweating are.

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. 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.

Having ventilation holes around the roof at eaves level and in. If there is no high level ventilation already installed install a 15cm ventilation grille at the highest point at each end of the eaves. Fighting condensation factor 1 keep moisture from getting in. Roll out the vapor barrier and cut it to size with a utility knife to fit over the ceiling.

The moisture is then released from the drip stop material back into the air in the form of normal humidity. 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. The goal is to use as many full sheets of plywood as possible.

Add as many plywood sheets as possible in order to cover the entire roof.