Should I Insulate My Attic Floor Or Ceiling

In practical terms you can choose between mineral wool or insulation boards.

Should i insulate my attic floor or ceiling.

Earlier in this article we referenced this contractor who said that homeowners commonly insulate their ceilings but not necessarily their roof. 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. Some attic floors that already have a layer of insulation could benefit from an additional application over the existing layer.

If someone spends a lot of time in the garage insulating it may improve their comfort even if it doesn t lower any bills. Stop using your attic for storage. Start with the attic floor. It really should be called spray foam insulation and air barrier.

The extra batting increases r values so it further slows warm air. Insulating the attic floor. Once you deal with the air up there this problem goes away with or without the insulation in the attic floor. Because the simplest and cheapest way to insulate an attic is to add material to the floor.

1a attic access door. Plan to pull up the flooring and layer new. Considering usable floor space. 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.

A properly done spray foam job not only insulates but also greatly reduces the air leakage of. To get a better air seal. The attic floor which is the ceiling of the living space below often already is insulated. If it is and you plan to provide heating and cooling to the finished attic space you need to remove.

R value is a measure of insulation s ability to resist heat traveling through it. The headroom in the attic will determine how much usable floor space you have. If the air distribution is in the attic space then consider insulating the rafters to move the distribution into the conditioned space. The final word ceiling insulation is the most important.

In unfinished attic spaces insulate between and over the floor joists to seal off living spaces below. Spray foam insulation is an incomplete name. While local codes vary many communities will not permit the ceiling in a finished. 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.

Insulation level are specified by r value. So insulating the floor of the attic is not only the best solution but it is also the simplest and cheapest.