Insulating Attic Ceiling Rafters

Apply insulation between rafters when finishing an attic into a heated room or when building a cathedral ceiling in the home.

Insulating attic ceiling rafters. Similarly a flat ceiling takes out the cathedral style slope of attic ceilings with joists that run parallel to the attic floor and are attached to roof rafters. Replace the floorboards and then spray more insulation on top of it. Fiberglass insulation is made from glass that has been heated and drawn out to form workable fibers. Chemicals are then added to the insulation in order to provide fire resistance.

You can use rigid foam panels or do as tom silva does with nearly all houses these days. If your attic is going to be converted into livable space then you will need to insulate the roof rafters. Insulating a ceiling is affordable cellulose or wood fiber insulation is made from used newsprint other paper feedstock or wood. Additionally insulation serves as a way to enhance sound proofing on the uppermost envelop of your house.

Insulating in and around your roof attic space also prevents long term damage from moisture build up or ice damming which results from the warm air trying to escape through the apex of the roof but instead heating up the snow. For rolled insulation place it between roof rafters. In these designs take out attic. Garages built without attics are also prime candidates for insulation.

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.