Insulating Gable Wall In Attic Living Space

If the air distribution is in the attic space then consider insulating the rafters to move the distribution into the conditioned space.

Insulating gable wall in attic living space. Attaching wooden strips vertically on the gable wall and then installing the foil inside each bay created by the wood strips is the easiest way to do this. Most codes require a specified minimum amount of headroom and it s tough to meet this requirement when insulating a finished attic especially since most codes require insulation equal to r 38 or more. Most builders install fiberglass batts between the studs and some type of blown insulation between the floor joists. They must extend from the soffit or knee wall space to a ridge vent or a blocked off area at the top of the vaulted attic.

When insulating a attic there is usually no need to insulate the gable ends so long as the attic floor has been insulated. Usually the only time you would insulate a gable end is when the other side of it is a heated living space in your home. Type and material of your insulation. In finished attic rooms with or without dormer insulate 2a between the studs of knee walls 2b between the studs and rafters of exterior walls and roof 2c and ceilings with cold spaces above.

According to home advisor insulating your attic can cost between 1700 to 2100. For the gable ends i may use both methods mentioned. Square footage of your attic. Staple the foil to the sides of the wood strips and make sure it won t sag or make contact with the deck when you add insulation.

Although kneewalls can help turn attics into living space they often present insulation challenges. If only the living space will be insulated wrap the insulation around the room s walls and ceiling and then continue along the floor of the non living space. Insulating a finished attic there are two basic ways to insulate a finished attic. Contractor or insulation installer s fee.

1a attic access door. Baffles must run in every vaulted rafter space you intend to insulate. The main factors that impact the cost are. 2d extend insulation into joist space to reduce air flows.

Kneewalls short walls under sloped ceilings are common in story and a half homes and in bonus rooms above garages. To meet all three goals insulating your finished attic ventilating the roof and maximizing headroom use a combination of dense batt insulation rigid foam sheeting and air chutes. An exception to the rule would be if you are installing a foil radiant barrier system.