Foam blocks airflow needs no vapor barrier and has a higher r value per inch.
Spray foam insulation attic floor.
To get a better air seal.
Use closed cell foam it green for attic rafters.
R value of 7 in 1 inch 97 closed cell foam.
I can also tell you that 73 of all statistics are made up on the spot so please don t ask for.
Class i e 84 fire retardant meets building code spec.
Because the simplest and cheapest way to insulate an attic is to add material to the floor.
Start with the attic floor.
The best part of using foam it green spray foam on an attic floor is you only need 1 inch cured thickness to seal the living spaces you use from the attic.
However in a traditionally insulated attic insulation on the ceiling the attic is vented.
Spray foam insulation is installed to cover the entire attic floor and the juncture of the attic floor the top plates and the base of the baffles.
Moisture is also another huge issue when it comes to spray foam insulation in an attic.
Homes insulated with it can be some of the most efficient and comfortable homes built.
It really should be called spray foam insulation and air barrier.
I ve been in plenty of these homes and can tell you that when spray foam is installed properly they outperform 99 of fiberglass batt insulated stick built homes.
Hire a pro to install spray foam insulation.
Then you can use other forms of insulation like fiberglass or cellulose to add r value now that you have a tight air seal.
Or do as tom silva does with nearly all houses these days.
Stop using your attic for storage.
Spray foam insulation is a great product.
It has been said that insulating with spray foam insulation at the roof line will lead to moisture problems with the roof sheathing.
A properly done spray foam job not only insulates but also greatly reduces the air leakage of.
Spray foam insulation that s convenient and easy to use.
Once you deal with the air up there this problem goes away with or without the insulation in the attic floor.
The best attic insulation.
Loose fill fibrous insulation is installed over the spray foam on the attic floor and up against the baffles on top of spray foam insulation to full required insulation height.
100 free of cfcs vocs penta bdes urea formaldehyde.
Get your kits the easy to use spray foam kit.
When we seal the attic with spray foam it s as tight as a butter tub.