Square footage of your attic.
Insulating attic walls roof.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
There are two basic ways to insulate a finished attic.
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.
Before insulating vaulted attic walls you must provide an unobstructed route from the soffit vents to an exit vent to prevent damage to the roof from moist hot air.
In this case the area behind the knee wall will be uncomfortably hot or cold.
Measure the depth of the wall framing which is the width of boards that form the attic roof structure.
Contractor or insulation installer s fee.
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.
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.
Type and material of your insulation.
The main factors that impact the cost are.