Unlike fiberglass insulation installed in roll out batts on the attic floor.
How to add cellulose insulation to attic.
Rotating teeth or prongs at the bottom of the hopper fluff up the cellulose.
Lay the batts perpendicular to the joists so.
To make it easy to eyeball how level the material is as you blow it in screw depth guides to joists throughout the space.
Then pivot in place and do the same thing to the other side.
This type of insulation typically fiberglass or cellulose insulation can be added over existing insulation provided it s installed perpendicular to joists.
Inspecting your attic 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 the fill s depth is uniform across the attic.
Move across the attic until you ve hit your desired height at every point.
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.
Roll or batt insulation.
Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live.
3 have a friend add material to the hopper.
Make sure you use an unfaced batt one without a paper or foil layer so the insulation does not trap moisture in the ceiling.
Loose fill cellulose insulation is composed of pulverized paper and fabric material treated with a flame retardant.
The cellulose is blown into the attic or walls through long flexible tubes that run from the blower to an application nozzle.
Fasten blocking around the hatch or door to allow the material to be installed around this area without escaping.
How to install attic insulation over existing insulation wear a long sleeve shirt gloves eye protection and a dust mask.
Blow in insulation until the hopper is empty.
This can be added on top of old insulation.