Should I Insulate My Attic Floor Or Ceiling

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

Should i insulate my attic floor or ceiling.

In unfinished attic spaces insulate between and over the floor joists to seal off living spaces below. Spray foam insulation is an incomplete name. Stop using your attic for storage. 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 the attic floor. The headroom in the attic will determine how much usable floor space you have. Considering usable floor space. Start with the attic floor.

To get a better air seal. In practical terms you can choose between mineral wool or insulation boards. Because the simplest and cheapest way to insulate an attic is to add material to the floor. Once you deal with the air up there this problem goes away with or without the insulation in the attic floor.

The extra batting increases r values so it further slows warm air. The insulation will keep the naturally hot or cold air in the garage and the artificially warmed or cooled air in the room above it. It really should be called spray foam insulation and air barrier. R value is a measure of insulation s ability to resist heat traveling through it.

The final word ceiling insulation is the most important. While local codes vary many communities will not permit the ceiling in a finished. If you do not use the attic much it is pointless heating this area. 1a attic access door.

The attic floor which is the ceiling of the living space below often already is insulated. Homeowners also should insulate a garage completely including in the attic above it. The table below shows what levels of insulation are cost effective for different climates and locations in the home. If it is and you plan to provide heating and cooling to the finished attic space you need to remove.

So insulating the floor of the attic is not only the best solution but it is also the simplest and cheapest. Earlier in this article we referenced this contractor who said that homeowners commonly insulate their ceilings but not necessarily their roof. Insulation level are specified by r value. Some attic floors that already have a layer of insulation could benefit from an additional application over the existing layer.

Plan to pull up the flooring and layer new. The higher the r value the better the thermal performance of the insulation.