How To Blow In Fiberglass Attic Insulation

Blown in fiberglass insulation is found in about 75 of the houses i see.

How to blow in fiberglass attic insulation.

The blown in fiberglass works much better than the fiberglass batts as you don t have gaps in the coverage. Insert the hose under the floor and turn on the blower. Since it is a foam blown fiberglass doesn t leave any cracks. For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6.

The material can be either fiberglass or cellulose and consists of fiber foam or other materials in small particles and can even feel like down. To insulate under attic floor use a pump to blow in fiberglass loose fill insulation. Then pivot in place and do the same thing to the other side. Blown insulation both cellulose and fiberglass comes in bags and is available at most home and hardware stores.

As the loose fill insulation packs tightly into the space beneath the floor it will slowly push out the hose. That being said though blown fiberglass insulation isn t meant to cover huge areas like rolled fiberglass insulation. The best time to install blown fiberglass insulation. This is small pieces of fiberglass that come in a bag and are installed with blower machine.

You should also be able to rent a machine to blow the insulation along with 3 inch hoses to carry it up to the attic at the same store. Move across the attic until you ve hit your desired height at every point. Blown in insulation sometimes referred to as loose fill insulation is insulation literally blown in with a blowing machine. Blown fiberglass is perfect for spot and line treatments.

To install blown in insulation in existing walls holes are drilled at the top of each stud space usually on the exterior and material is blown in via a long flexible hose.