How to insulate an attic roof rafters. Lay the batts across the ceiling joists covering the existing insulation. 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. How to insulate an unfinished attic preparing an attic for insulation.
Place planks 1 by 6 or 1 by 8 or plywood sheaths across floor joists to improve. Hire a pro to install spray foam insulation. To install insulation.
The fiberglass insulation comes in rolls that are 16 to 24 inches wide. For insulation to reach its full potential for preventing warm air migration it must maintain the. Continue laying down the insulation making sure the batts are pressed tightly together at all edge and end joints.
The paper will fold over the rafter framing thereby allowing for attachment with staples. If youre considering turning your attic into conditioned storage or living space its worth changing tactics to insulate between the rafters and wall joists instead of the floor. At the perimeter of the attic lay the insulation up to the roof rafters but keep it away from plywood roof sheathing.
First climb into the attic and use measuring tape to determine the square footage of the space. Attach the insulation to the rafter scab board by the paper flange so as not to compress the fiberglass. To cut blanket style insulation place the product over a piece of plywood with its paper or foil side down.
Insulating the roof is a priority if the ceilings of your home happen to be part of the roof deck as is the case with cathedral ceilings. Installing a vapor barrier. The rolls have a number of 8 foot pieces rolled onto one roll.
Push the insulation in place between the rafters but be careful not to compress the material. You can use rigid foam panels or do as tom silva does with nearly all houses these days. Step 3 installing the insulation.
How to insulate roof rafters. Use 38 inch heavy duty staples every six inches. Step 2 cutting and fitting the insulation.
Step 1 measuring the space. You may also insulate your roof to help regulate the temperature in an attic that is a part of your living space. Multiply the length and.