Attic Spray Foam Smell

Full removal of the spray foam is rare.

Attic spray foam smell.

The other possibility is that the spray foam didn t cure properly deeper into the foam layer and you cut into that. When you cut through that paint layer you made it possible for some smell to get out of the foam. The homeowners complained of a slight odor in the house on hot days in the summer. We opened the pull down attic stair no smell.

While open cell foam smells like paint closed cell foam has a rotten fish smell to it. 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. 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. 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.

You ll be stuck with the same problem. Spraying to fast or too thin can affect the setting of the spray foam. Problem areas identified by softness will be removed and replaced. As layers are applied the underlayer remains soft emitting odors.

Sometimes the spray foam manufacturer can test your foam to determine why it s causing a smell. 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. The pros and cons of spray foam insulation can include the following. But either way the odors are absorbed by the surrounding materials which are studs roof joists sheathing panels etc.

As i questioned him he said bob i get a whiff of it. They had remodeled their home five years earlier added a second floor and had the attic encapsulated with open cell spray foam insulation. We climbed into his sealed attic stillno smell. I walked upstairs 2 story home with him no smell.

Turn your oms fan on. They completely dropped the ball when it came to ventilation measures during application. Here s how you should proceed if you re experiencing an unpleasant odor in your home after having spray foam applied to your attic. He couldn t smell the foam either.

Call the spray foam manufacturer. Perhaps you can paint them to minimize odors perhaps you may have to remove the entire frame of your house. When applying any paints to spray foam you really need to wait for a full cure of the spray foam first. After talking to one of the owners for a while we took a look.

When the oms fan is running it s designed to vacuum odors and lingering humidity from your attic expelling it into the atmosphere. With these benefits of spray foam there are also cons that can be created in the environment as well. A fire retardant paint was then applied over the spray foam. As i entered his home i could not smell our foam.

Finding out why your spray foam smells will not make it stop smelling. Sealed his attic with spray foam.