How To Insulate The Ceiling Roof Of My Attic

Because the simplest and cheapest way to insulate an attic is to add material to the floor.

How to insulate the ceiling roof of my attic.

2d extend insulation into joist space to reduce air flows. 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. Your home needs at least some type of insulation to keep the interior temperature of your home regulated regardless of the specific climate you live in. 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.

Use the insulation calculator to plug in your zip code lifestyle factors building design energy costs and budget to get a detailed recommendation. But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates. Insulating a finished attic there are two basic ways to insulate a finished attic. 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.

From the drywall depending on the insulation type. In this case the area behind the knee wall will be uncomfortably hot or cold. The recommended ceiling insulation level for most attics is r 38 or about 12 to 15 in. When it comes to insulating your attic and roof you may wonder if that s actually necessary.

Plan to pull up the flooring and layer new insulation on top of the old. 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.