How To Add Blow In Attic Insulation

Connect the hose to the insulation machine.
How to add blow in attic insulation. Have a friend add material to the hopper. Lay the batts perpendicular to the joists so they do not compress the insulation below. 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. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation.
Add loose fill insulation to existing loose fill 1. Raise the floor to create storage space. Then feed 1 2 a. Blow in insulation until the hopper is empty.
Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. Then pivot in place and do the same thing to the other side. Continue to fill the attic. Rent a loose fill insulation blower from a home improvement or hardware store.
Wear a long sleeve shirt gloves eye protection and a dust mask. Fill your space with insulation. For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6. Make sure you use an unfaced batt one without a paper or foil layer so the insulation does not trap moisture in the ceiling.
Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. Block all vents in the attic floor with baffles making sure to extend the baffles at least four inches above the. The vapor retarder on top of or between layers of insulation can trap moisture. Move across the attic until you ve hit your desired height at every point.
Connect the hose to the blown in insulation machine.