How To Insulate An Attic Roof Rafters

Get your kits the easy to use spray foam kit.

How to insulate an attic roof rafters. Step 3 installing the insulation. First climb into the attic and use measuring tape to determine the square footage of the space. In this case the area behind the knee wall will be uncomfortably hot or cold. For rolled insulation location it in between roof covering rafters.

How to install rafter insulation. The paper will fold over the rafter framing thereby allowing for attachment with staples. Insulate your attic to keep your heating and cooling from going through the roof along with your monthly budget. 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.

To seal up air leaks around chimneys plumbing stacks or. Use closed cell foam it green for attic rafters. How to insulate roof rafters. Hire a pro to install spray foam insulation.

In just a few minutes you ll have the information you need to make a smart purchasing decision for your home. If you have questions about your attic give us a call at 1 800 516 0949. Use 3 8 inch heavy duty staples every six inches. The rolls have a number of 8 foot pieces rolled onto one roll.

Make sure it is flush against the wood as also a 1 inch gap can create a 20 percent heating loss. The best attic insulation. Attach baffles to the bottom of the roof sheathing the plywood or solid wood strips onto which roofing material was installed. R value of 7 in 1 inch 97 closed cell foam.

Attach the insulation to the rafter scab board by the paper flange so as not to compress the fiberglass. Step 1 measuring the space. The insulation should be installed with the paper facing out and attached using staples. Insulating a finished attic there are two basic ways to insulate a finished attic.

Don a long sleeved shirt safety glasses gloves and a dust mask to prevent irritating fiberglass from reacting with. You can use rigid foam panels or do as tom silva does with nearly all houses these days. 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. The fiberglass insulation comes in rolls that are 16 to 24 inches wide.

Step 2 cutting and fitting the insulation.