Roof Leak With Spray Foam Insulation

Water vapor may have formed on the surface of the foam if the thickness was light in that area.

Roof leak with spray foam insulation.

Thus should you develop a roof leak there may be no evidence of it in the attic until significant damage to the roof sheathing and rafters has occurred. This will allow for optimal operation of your hvac equipment as well as aid in early detection of situations such as roof leaks and wind driven moisture intrusion. Not long ago someone even told me that in florida roofing companies won t let their workers go up on roofs with open cell spray foam because the roofs are so spongy the guys fall right through. What is closed cell spray foam insulation.

It rots roofs people have told me. In the early days of insulating attics people believed the insulation was a heat source. Spray foam insulation within roofs does it work. Spray foam insulation is extremely popular because of its superior r value.

Murmurs and hearsay about open cell spray foam insulation have been gaining traction for a while. Do you already have a roof leak. Some people are concerned that spray foam disguises a roof leak. By forming an effective seal around rafters and offering respectable r values foam should be blocking the migration of cold air into the roof where it can condense into water.

If it s a tiny crack or hole yes it will keep the roof sealed and avoids requiring repair. If so fix that first. That s a good thing. The installation of spray foam insulation whether on the roof of a commercial building or in your home requires precision demonstrated expertise and a commitment to quality application.

What it s made of how it works more. Using icynene spray foam as your attic insulation will turn your attic into a conditioned space. Spraying foam insulation on the roof deck ruins the shingles. Another potential issue is that with the.

My best answer is based on economics if your house has room for the required r value that you desire or is required by code spray open cell foam. But with the vents it is difficult to check on roof leaks. Spray foam polyurethane insulation is supposed to be a hedge against that problem. But unless the foam was sprayed off ratio it did not go through the foam.

It will also help keep any duct leaks within the conditioned space of your attic.