How To Properly Blow In Attic Insulation

If you plan on using the attic for storage you will need to raise the floor up before adding a second layer of insulation.

How to properly blow in attic insulation. 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. Connect the hose to the blown in insulation machine. 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. Blown in insulation in the attic seal attic bypasses.

Make sure the fill s depth is uniform across the attic. To make it easy to eyeball how level the material is as you blow it in screw depth guides to joists throughout the space. Gather the loose fill insulation regardless of type into plastic trash bags. You can do it by yourself by loading up the machine and running extension cords into the attic to turn the machine on and off.

Use your gloved hands to place the insulation into the bags. Pull the existing insulation away from the roof. 2 squeeze the bags to remove excess air and then secure. Fasten blocking around the hatch or door to allow the material to be installed around this area without escaping.

Continue to fill the attic. Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any. Start blowing the fill into the area farthest from the hatch door. Then feed 1 2 a.

The hole is then. Blown insulation both cellulose and fiberglass comes in bags and is available at most home and hardware stores. Position the new vent chute so the. Connect the hose to the insulation machine.

Raise the floor to create storage space. Step 1 gather your equipment. Because the fill is light be careful not to blow away areas you ve already filled.