Attic Spray Foam Smell

On a hot humid summer afternoon if by chance you get a whiff of spray foam smell while walking down the upstairs hall it s easy to manage.

Attic spray foam smell.

Turn your oms fan on. While open cell foam smells like paint closed cell foam has a rotten fish smell to it. I believe the smell is either the foam itself or something with the spraying agents because after spraying the smell was strong in the attic and in the house and a few days later they had a small area on a gable end they had to respray and i noticed the smell was very strong right after respraying when they asked me to check it. Here s how you should proceed if you re experiencing an unpleasant odor in your home after having spray foam applied to your attic.

When applying any paints to spray foam you really need to wait for a full cure of the spray foam first. Problem areas identified by softness will be removed and replaced. We climbed into his sealed attic stillno smell. They completely dropped the ball when it came to ventilation measures during application.

As i questioned him he said bob i get a whiff of it. But either way the odors are absorbed by the surrounding materials which are studs roof joists sheathing panels etc. We opened the pull down attic stair no smell. Spray foam attic insulation is used primarily to act as a barrier to limit air movement and reduce the amount of energy loss that homes experience during the season changes.

A fire retardant paint was then applied over the spray foam. When the oms fan is running it s designed to vacuum odors and lingering humidity from your attic expelling it into the atmosphere. I walked upstairs 2 story home with him no smell. The other possibility is that the spray foam didn t cure properly deeper into the foam layer and you cut into that.

Perhaps you can paint them to minimize odors perhaps you may have to remove the entire frame of your house. Full removal of the spray foam is rare. The pros and cons of spray foam insulation can include the following. Spraying to fast or too thin can affect the setting of the spray foam.

They had remodeled their home five years earlier added a second floor and had the attic encapsulated with open cell spray foam insulation. Sealed his attic with spray foam. He couldn t smell the foam either. Rafters were insulated with open cell spray foam to create a conditioned space since an air handler gas fired furnace are in the attic.

Call the spray foam manufacturer. Finding out why your spray foam smells will not make it stop smelling. This step is optional but you may want to pursue it anyway. As i entered his home i could not smell our foam.

With these benefits of spray foam there are also cons that can be created in the environment as well. You ll be stuck with the same problem. After talking to one of the owners for a while we took a look. When you cut through that paint layer you made it possible for some smell to get out of the foam.

The paint odor was very bad at first the owner was told the smell would subside but it hasn t in 2 years is especially strong in summer. This wasn t a new foam job.