How To Insulate An Attic Rafters

There are two basic ways to insulate a finished attic.

How to insulate an attic rafters.

In this case the area behind the knee wall will be uncomfortably hot or cold. Hire a pro to install spray foam insulation. To cut blanket style insulation place the product over a piece of plywood with its paper or foil side down. Install ventilation baffles into the space between the rafters before you install the insulation usually by stapling into place.

If you re considering turning your attic into conditioned storage or living space it s worth changing tactics to insulate between the rafters and wall joists instead of the floor. For rolled insulation place it between roof rafters. If your attic is going to be converted into livable space then you will need to insulate the roof rafters. You can use rigid foam panels or do as tom silva does with nearly all houses these days.

If you have a solid floor covering the roof rafters use the claw end of a hammer to pull the floor up in several locations and blow the insulation under the boards. Replace the floorboards and then spray more insulation on top of it. How to install rafter insulation. Time to get the insulation finished and get this place warm.

Attach the insulation to the rafter scab board by the paper flange so as not to compress the fiberglass. Lay a two by four on top temporarily compressing the insulation to a manageable. Don a long sleeved shirt safety glasses gloves and a dust mask to prevent irritating fiberglass from reacting with. Use closed cell foam it green for attic rafters.

Use 3 8 inch heavy duty staples every six inches. Spray foam insulation that s convenient and easy to use. Get your kits the easy to use spray foam kit. In just a few minutes you ll have the information you need to make a smart purchasing decision for your home.

Staple it to the rafters or scabbed on boards with a staple gun so that the paper backing is toward the interior of the room to act as a vapor barrier. The best attic insulation. R value of 7 in 1 inch 97 closed cell foam. Check out our how to video at the link below.

Attach baffles to the bottom of the roof sheathing the plywood or solid wood strips onto which roofing material was installed.