Spraying to fast or too thin can affect the setting of the spray foam.
Attic spray foam smell.
When you cut through that paint layer you made it possible for some smell to get out of the foam.
With these benefits of spray foam there are also cons that can be created in the environment as well.
When the oms fan is running it s designed to vacuum odors and lingering humidity from your attic expelling it into the atmosphere.
We climbed into his sealed attic stillno smell.
I walked upstairs 2 story home with him no smell.
This wasn t a new foam job.
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.
The other possibility is that the spray foam didn t cure properly deeper into the foam layer and you cut into that.
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.
As layers are applied the underlayer remains soft emitting odors.
This step is optional but you may want to pursue it anyway.
Problem areas identified by softness will be removed and replaced.
Rafters were insulated with open cell spray foam to create a conditioned space since an air handler gas fired furnace are in the attic.
A fire retardant paint was then applied over the spray foam.
Sometimes the spray foam manufacturer can test your foam to determine why it s causing a smell.
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.
After talking to one of the owners for a while we took a look.
As i entered his home i could not smell our foam.
While open cell foam smells like paint closed cell foam has a rotten fish smell to it.
But either way the odors are absorbed by the surrounding materials which are studs roof joists sheathing panels etc.
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.
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.
Turn your oms fan on.
We opened the pull down attic stair no smell.
As i questioned him he said bob i get a whiff of it.
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.
You ll be stuck with the same problem.
Finding out why your spray foam smells will not make it stop smelling.
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.
Call the spray foam manufacturer.
