How To Blow Insulate Your Attic

To insulate an attic get some batting made out of mineral wool fiberglass or recycled foam.

How to blow insulate your attic. Blown insulation both cellulose and fiberglass comes in bags and is available at most home and hardware stores. Both lowe s and the home depot offer free rental machines with a minimum purchase of the insulation usually about 250. Prepare to blow insulation into your attic. How to blow insulation in attic step 1.

Pull the existing insulation away from the roof. Position the new vent chute so the. Gather safety attire and equipment. Inspecting your attic insulation.

Blown in insulation in the attic seal attic bypasses. 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. Additionally purchase some loose fill insulation to insulate corners and angles where the batting won t fit. Seal all air gaps in your attic.

Step 4 cover the lights. Use spray foam for large gaps and caulk for small spaces. In general an attic s r value should be between r 30 and r 49. You ll want to buy enough batting to lay at least 10 to 14 inches over the entire space.

Step 1 gather your equipment. Make sure the fill s depth is uniform across the attic. Fasten blocking around the hatch or door to allow the material to be installed around this area without escaping. Wear a dust mask goggles work gloves long sleeves and pants.

Blowing insulation requires a special machine to break down the insulation into tiny pieces and blow it through a long hose. Step 3 protect the soffits. Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any. To make it easy to eyeball how level the material is as you blow it in screw depth guides to joists throughout the space.

Blowing insulation into your attic is a fast and easy way to save money on your energy bills. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. In particularly cold climates you might go up to r 60.