Should I Insulate My Attic Floor Or Ceiling

1a attic access door.

Should i insulate my attic floor or ceiling.

Insulation level are specified by r value. 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. The table below shows what levels of insulation are cost effective for different climates and locations in the home. Earlier in this article we referenced this contractor who said that homeowners commonly insulate their ceilings but not necessarily their roof.

So insulating the floor of the attic is not only the best solution but it is also the simplest and cheapest. Homeowners also should insulate a garage completely including in the attic above it. To get a better air seal. Stop using your attic for storage.

While local codes vary many communities will not permit the ceiling in a finished. Some attic floors that already have a layer of insulation could benefit from an additional application over the existing layer. Insulating the attic floor. The final word ceiling insulation is the most important.

The higher the r value the better the thermal performance of the insulation. Spray foam insulation is an incomplete name. 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. Start with the attic floor.

Once you deal with the air up there this problem goes away with or without the insulation in the attic floor. If you do not use the attic much it is pointless heating this area. If someone spends a lot of time in the garage insulating it may improve their comfort even if it doesn t lower any bills. If the air distribution is in the attic space then consider insulating the rafters to move the distribution into the conditioned space.

In unfinished attic spaces insulate between and over the floor joists to seal off living spaces below. If it is and you plan to provide heating and cooling to the finished attic space you need to remove. 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.

The extra batting increases r values so it further slows warm air. It really should be called spray foam insulation and air barrier. Considering usable floor space. R value is a measure of insulation s ability to resist heat traveling through it.

Plan to pull up the flooring and layer new. A properly done spray foam job not only insulates but also greatly reduces the air leakage of.