Attic Floor Over Blown Insulation

Someone needs to load the bags of insulation into the blower which will remain on the floor below.

Attic floor over blown insulation.

Start with the attic floor. Place the 1 by 6 boards down over the floor joists in the attic so that they run at a perpendicular angle to the. Because the simplest and cheapest way to insulate an attic is to add material to the floor. If you stand on joists in the.

Drill 3 inch screws through the boards and into the joist where they cross over the joists. Never stand on joists. How to install attic flooring over blown in insulation step 1. Stop using your attic for storage.

But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. To keep the blown in insulation from falling through the attic hatch opening make a 2x12 dam around the hatch perimeter. The vapor retarder on top of or between layers of insulation can trap moisture.

Then to really seal the attic access up tight says olson lay fiberglass batt insulation on the inside of the hatch or door and wrap it up tight like a christmas present photo 3. Recruit a helper. Plan to pull up the flooring and layer new insulation on top of the old. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation.

Once the insulation is down you can turn your attic into valuable storage space by covering the floor with plywood.