How To Install Loose Fill Attic Insulation
Choose your insulation type.
How to install loose fill attic insulation. Then feed 1 2 a bag of fill into the machine and turn on the hose to start blowing the insulation. Calculate how much you need. Clumps of loose fill insulation will not make a very good barrier between the elements. The trick here is to just get the loose fill insulation out of the bags and into the area.
Find the rough surface area of the base of your attic and ask the seller how many pounds of fill will be required to fill that area to 11 inches 27 9 cm deep. The first step in loose fill attic insulation removal is determining what type of insulation you ll be working with. Check pipes and vents. Whether you are removing loose fill attic insulation for replacement with new insulation changing insulation types or are removing insulation because of water or wildlife damage doing it safely is the first step.
Patch the holes with tape or canned spray foam see more information on this technique in the article on this page 1. Step 3 evening out loose fill insulation. Before installing determine the insulation material best suited for your home. Install the fabric and then strap the ceiling with 1x4s or 2x4s.
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. Connect the hose to the insulation machine. 2 rent a blowing machine. Fasten blocking around the hatch or door to allow the material to be installed around this area without escaping.
To make it easy to eyeball how level the material is as you blow it in screw depth guides to joists throughout the space. Install a continuous layer of rigid polyisocyanurate. Do not worry about small piles that may develop as you do this. Generally speaking without any preexisting insulation in place it takes 10 12 inches 25 4 30 5 cm of loose fill to achieve an r rating of about 38 40.
Use the shovel and begin spreading the loose fill insulation around the space. The bulges between the strapping won t interfere. The hole is then.