Earlier this year i got a question about a home that had spray foam insulation in the attic.
How to spray insulation in your attic.
Spray foam insulation is a great product.
It s quick and easy to do.
Nothing unusual about that.
For loose fill read labels.
Sealing the top of the house keeps the air you paid to heat and cool inside your home.
It has been said that insulating with spray foam insulation at the roof line will lead to moisture problems with the roof sheathing.
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.
Whereas too little spray foam insulation can leave for thermal bypass because of the complete lack of insulation in the attic.
Get your kits the easy to use spray foam kit.
Spray foam insulation sticks to whatever surface you spray it to.
A how to on installing certainteed s insulsafe sp and truecomfort blown in fiber glass insulation into attic applications including application techniques.
As with pretty much all home improvement projects your contractor might have done a great job spray foaming your attic or not.
Each bag lists the required depths for a range of r values and the number of bags needed to cover 1 000 square feet at those depths.
Measure your attic s square footage.
Make sure your attic is properly sealed.
Then pivot in place and do the same thing to the other side.
So your installer can apply insulation to the ceiling in addition to the rest of your attic for added protection.
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.
In a proper spray foam job a contractor doesn t just spray foam all over the top of your attic and go home.
Otherwise humidity will quickly creep into your attic.
Using spray foam insulation in an attic is a popular energy saving project.
A lot of builders and homeowners are going with spray foam insulation because of the airtightness benefits but then the questioner mentioned that the spray foam contractor had intentionally left big holes to the outside by not sealing the gable vents.
Blow in insulation until the hopper is empty.
And the benefits range from much lower utility bills to fewer pests to reduced sound transfer.
Moisture is also another huge issue when it comes to spray foam insulation in an attic.
Class i e 84 fire retardant meets building code spec.
Move across the attic until you ve hit your desired height at every point.
Spray foam insulation that s convenient and easy to use.
The best attic insulation.
Homes insulated with it can be some of the most efficient and comfortable homes built.
For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6.
100 free of cfcs vocs penta bdes urea formaldehyde.
Use closed cell foam it green for attic rafters.