What i would do would be to install a spray polyurethane insulation closed cell insulation into the attic ceiling and down to and including the eaves.
Can you spray foam attic ceiling.
But then the questioner mentioned that the spray foam contractor had intentionally left big holes to the outside by not sealing the gable vents.
Allowable of the spray foam in an attic is 6 inches.
Christofer there is a lot written about your particular condition.
This spray foam is applied as a low or high pressure two component polyurethane spray foam that can be applied onto walls in unvented attics to ducts and ceilings and in vented attics and crawl spaces.
Hybrid walls ceiling installations are done foam plus cellulose.
Spray foam insulation is an insulating air barrier material that works by sealing the walls floors and ceiling cavities from airflow.
The most common remark i have seen is to.
This is fine for areas where r 21 or less is required but if.
Nothing unusual about that.
It is also known to act as an air barrier however unfortunately it will not protect against vapor and moisture intrusions.
Energy saver s on the job series larry janesky founder of dr.
A lot of builders and homeowners are going with spray foam insulation because of the airtightness benefits.
This foam can be placed around light fixtures electrical outlets windows and doors attics and crawl spaces.
Earlier this year i got a question about a home that had spray foam insulation in the attic.