A case of incompatibility.
Attic spray foam insulation problems.
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.
When we seal the attic with spray foam it s as tight as a butter tub.
If you have high humidity in your spray foamed attic there are a variety of things that might be causing the problem.
It is made from inert polymers that do not become a food source for mold mildew or fungi when it becomes wet.
However in a traditionally insulated attic insulation on the ceiling the attic is vented.
A lot of builders and homeowners are going with spray foam insulation because of the airtightness benefits.
Unfortunately good average thickness doesn t cut it.
Insulating with spray foam insulation at the roof line will cause moisture problems with the roof sheathing.
Whereas too little spray foam insulation can leave for thermal bypass because of the complete lack of insulation in the attic.
Moisture is also another huge issue when it comes to spray foam insulation in an 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.
The spray foam insulation.
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.
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.
The poor application of spray foam insulation by an untrained or.
Poor application of the spray foam insulation.
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.
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.
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.
It could be because the spray foam contractor didn t seal off all the air leaks.
Spray foam insulation problems misrepresentation of the spray foam insulation products used.