Adding Insulation To Attic Rafters

Where to insulate in a home.

Adding insulation to attic rafters. Use 3 8 inch heavy duty staples every six inches. The higher the r value the better the thermal performance of the insulation. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120. Loose fill or batt insulation is typically installed in an attic.

Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts. Insulating floors above unheated garages. Affix rigid foam insulation to the attic side of the hatch or door. When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.

You can add loose fill on top of fiberglass batts or blankets and vice versa. Attic hatch or door. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.

Show activity on this post. Loose fill insulation is usually less expensive to install. Area the plastic sheeting in addition to the rolled insulation. If the plastic sheet remains in pieces overlap the items by 8 inches as well as staple it in place directly to the roof rafters and also the wall.

The ones i ve used are made of styrofoam and iirc they cost around 2. For instance if the roof has 2 by 6 rafters and you want r 30 insulation which is standard in many communities you can add a 2 by 4 which will give you an 9 inch rafter space. Add the right kind of insulation. You can buy air ducts that staple to the inside of your roof above the eave vents and fit between the rafters.

3 have a friend add material to the hopper. Attach the insulation to the rafter scab board by the paper flange so as not to compress the fiberglass. Block all vents in the attic floor with baffles making sure to extend the baffles at least four inches above the planned thickness of your insulation. Pull down stair or ladder.

Cellulose blown in ceiling insulation is a good choice for diyers. 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. If there is a flooring you will certainly should remove it to properly protect the roof covering rafters.