How To Install Blown In Insulation In The Attic

Ten inches of blown insulation provides an insulating value of approximately r 30 1 inch of fiberglass provides about r 2 7 while 1 inch of cellulose is approximately r 3.

How to install blown in insulation in the attic.

You can install it yourself using a blower rented from the outlet that sells the insulation. If you have a busy highway at your front steps or neighbors that love to keep their parties running into the morning blown in attic insulation can help create a quieter environment. Attic insulation also keeps your house quieter as it creates a sound barrier between your home and the outside. Attic protector is less dusty than other kinds of blown in attic insulation but it s still important to wear a mask when applying the insulation.

Because the fill is light be careful not to blow away areas you ve already filled. If you plan on using the attic for storage you will need to raise the floor up before adding a second layer of insulation. Cellulose is the densest material and provides the best resistance to air flow and is the best material for walls. Each bag of fiberglass insulation will cover approximately 65 square feet of attic space to a depth of 10 inches cellulose insulation covers half as much.

Then feed 1 2 a bag of fill into the machine and turn on the hose to start blowing the insulation. Start blowing the fill into the area farthest from the hatch door.