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.

Fasten blocking around the hatch or door to allow the material to be installed around this area without escaping. Gather safety attire and equipment. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Blowing insulation into your attic is a fast and easy way to save money on your energy bills.

Wear a dust mask goggles work gloves long sleeves and pants. Prepare to blow insulation into your attic. Step 2 measure your space. Inspecting your attic insulation.

Use spray foam for large gaps and caulk for small spaces. How to blow insulation in attic step 1. Seal all air gaps in your attic. Step 1 gather your equipment.

Step 3 protect the soffits. You ll want to buy enough batting to lay at least 10 to 14 inches over the entire space. Pull the existing insulation away from the roof. Make sure the fill s depth is uniform across the attic.

Blown insulation both cellulose and fiberglass comes in bags and is available at most home and hardware stores. Pull back the existing insulation and use expanding spray foam the fire blocking type to seal any. Position the new vent chute so the. Install or repair vent chutes.

Blowing insulation requires a special machine to break down the insulation into tiny pieces and blow it through a long hose. Additionally purchase some loose fill insulation to insulate corners and angles where the batting won t fit. In general an attic s r value should be between r 30 and r 49. To make it easy to eyeball how level the material is as you blow it in screw depth guides to joists throughout the space.

Step 4 cover the lights. In particularly cold climates you might go up to r 60. Your home s r value score will guide you toward the type of insulation you need.