Block all vents in the attic floor with baffles making sure to extend the baffles at least four inches above the planned thickness of your insulation.
Attic addition insulation.
Adding insulation to an unfinished attic is one of the most effective ways to save money on your energy bills.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
In case the test is positive for asbestos it needs to be removed by a professional you need to air seal before a new installing since the air leaks will hinder the performance of insulation and significantly reduce the energy efficiency in your home.
When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.
The higher the r value the better the thermal performance of the insulation.
Add the right kind of insulation.
3 have a friend add material to the hopper.
Cellulose is recycled newsprint treated with a fire retardant.
Pull out a small amount of insulation if needed to help determine the type of insulation.
Most attics are insulated with blown in loose cellulose r 3 5 per inch blown in loose fiberglass r 2 5 per inch or fiberglass batts r 3 2 per inch.
Just because you find insulation in one wall doesn t mean that it s everywhere in the house.
Fiberglass is just that thin fibers of glass that trap air.
Before you call a contractor however it s important to understand the options and costs involved.