Insulate Attic Roof Or Floor

Insulate the attic floor if possible.

Insulate attic roof or floor.

It s more effective and easier to install insulation on the attic floor than in the roof assembly. 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. Because the simplest and cheapest way to insulate an attic is to add material to the floor. If you do need to install insulation in the roof assembly take into account some rules.

Materials commonly used for the insulation of the roof deck include. You may also insulate your roof to help regulate the temperature in an attic that is a part of your living space. Unless in air conditioned attics insulation is typically installed on the ceiling plane not on the sloped roof assembly. In this case the area behind the knee wall will be uncomfortably hot or cold.

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. This is the best way to conserve energy in the main part of the home especially if the attic is on its own zoned heating system or if it s used infrequently and its cooler warmer temperatures negatively impact the rooms below. But the best solution is actually to insulate both the attic floor and the underside of the roof. At the same time the areas below the roof benefit from increased comfort both during the winter and the summer.

Insulating a finished attic there are two basic ways to insulate a finished attic. In this way you prevent the heat from the rooms below escaping to the attic rooms above. Plan to pull up the flooring and layer new insulation on top of the old.