How To Blow Insulate Your Attic

Both lowe s and the home depot offer free rental machines with a minimum purchase of the insulation usually about 250.

How to blow insulate your attic.

First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Step 4 cover the lights. Use spray foam for large gaps and caulk for small spaces. Wear a dust mask goggles work gloves long sleeves and pants.

Blown in insulation in the attic seal attic bypasses. To insulate an attic get some batting made out of mineral wool fiberglass or recycled foam. 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 safety attire and equipment.

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. Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any. Install or repair vent chutes.

Seal all air gaps in your attic. Inspecting your attic insulation. Step 1 gather your equipment. Prepare to blow insulation into your attic.

Blown insulation both cellulose and fiberglass comes in bags and is available at most home and hardware stores. Fasten blocking around the hatch or door to allow the material to be installed around this area without escaping. Position the new vent chute so the. Additionally purchase some loose fill insulation to insulate corners and angles where the batting won t fit.

Make sure the fill s depth is uniform across the attic. Blowing insulation requires a special machine to break down the insulation into tiny pieces and blow it through a long hose. How to blow insulation in attic step 1. Your home s r value score will guide you toward the type of insulation you need.

In particularly cold climates you might go up to r 60. Step 2 measure your space. Step 3 protect the soffits.