The higher the r value the better the thermal performance of the insulation.
Attic addition insulation.
3 have a friend add material to the hopper.
Cellulose is recycled newsprint treated with a fire retardant.
Before you call a contractor however it s important to understand the options and costs involved.
Add the right kind of insulation.
Pull out a small amount of insulation if needed to help determine the type of insulation.
When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.
Fiberglass is just that thin fibers of glass that trap air.
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.
Check outlets on all floors as well as old and new parts of your house.
Adding insulation to an unfinished attic is one of the most effective ways to save money on your energy bills.
Just because you find insulation in one wall doesn t mean that it s everywhere in the house.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
It can cost anywhere from 1 700 to 2 100 or between 1 50 and 3 50 per foot to insulate an attic depending on what insulation material you choose.