Insulating Sloped Ceiling Finished Attic

Without properly insulating your finished attic room will also be cold in the winter.

Insulating sloped ceiling finished attic.

As you can see in the photo above and the 3d model below the attic trusses create a section of sloped ceiling and flat ceiling much like you d get in a house with a cathedral ceiling. 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. If there is no insulation there at present it may be worth pulling off the drywall insulating and. If the attic is finished with a sloped cathedral ceiling adding extra insulation is much more difficult.

Insulating a sloped ceiling in a finished attic can be done from the inside or by installing foam and new roofing on the outside. 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. In this case the area behind the knee wall will be uncomfortably hot or cold. Without properly ventilating the roof your finished space can be just as unpleasant as an unfinished attic.

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. 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. Attic trusses typically have a sloping ceiling cathedral that poses a different insulating solution.