Attic Spray Foam Insulation Problems

Check the rh levels in your attic over the course of a few weeks to see if the air is holding a lot of moisture. Insulating with spray foam insulation at the roof line will cause moisture problems with the roof sheathing. It is made from inert polymers that do not become a food source for mold mildew or fungi when it becomes wet.

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The coverage needs to be uniform because a lot of heat will go through the under insulated areas.

Attic spray foam insulation problems.

One huge benefit of the spray foam insulated attic is that conditioned air leakage from the ac furnace duct system is contained and used to condition the attic. When we seal the attic with spray foam it s as tight as a butter tub. The spray foam insulation. Whereas too little spray foam insulation can leave for thermal bypass because of the complete lack of insulation in the attic.

But then the questioner mentioned that the spray foam contractor had intentionally left big holes to the outside by not sealing the gable vents. Placement errors during installation attics are the main spots in a home that are filled with unusual shapes gaps and spaces where air bubbles have the potential to form when you spray foam insulation. Spray foam insulation problems misrepresentation of the spray foam insulation products used. Unfortunately good average thickness doesn t cut it.

It could be because the spray foam contractor didn t seal off all the air leaks. If you have high humidity in your spray foamed attic there are a variety of things that might be causing the problem. A case of incompatibility. It has been said that insulating with spray foam insulation at the roof line will lead to moisture problems with the roof sheathing.

The problem was that the installer was doing his first spray foam job ever and the thickness of the insulation varied from zero visible roof deck to about 9. Below we are going to list the most common problems with using spray foam insulation in your home s attic or in any area inside of your home. However in a traditionally insulated attic insulation on the ceiling the attic is vented. Since there are dozens of brands of spray foam insulation.

The poor application of spray foam insulation by an untrained or. Even if there is moisture in your attic from a leaking plumbing line a swamp cooler or a similar issue the spray foam insulation will deter the growth of organics in your home. In an unvented attic scenario to limit air leakage as well as any associated condensation at the roof line a continuous air barrier is required. A lot of builders and homeowners are going with spray foam insulation because of the airtightness benefits.

Poor application of the spray foam insulation. Moisture is also another huge issue when it comes to spray foam insulation in an attic.

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