Should I Insulate My Attic Floor Or Ceiling

The final word ceiling insulation is the most important.

Should i insulate my attic floor or ceiling. The extra batting increases r values so it further slows warm air. 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. 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.

Start with the attic floor. 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. The attic floor which is the ceiling of the living space below often already is insulated. The table below shows what levels of insulation are cost effective for different climates and locations in the home.

Considering usable floor space. In practical terms you can choose between mineral wool or insulation boards. The higher the r value the better the thermal performance of the insulation. R value is a measure of insulation s ability to resist heat traveling through it.

Insulating the attic floor. If it is and you plan to provide heating and cooling to the finished attic space you need to remove. In unfinished attic spaces insulate between and over the floor joists to seal off living spaces below. If the air distribution is in the attic space then consider insulating the rafters to move the distribution into the conditioned space.

Stop using your attic for storage. If you are deciding between insulating the roof deck or insulating the ceiling it is most important that you insulate the ceiling. Insulation level are specified by r value. It really should be called spray foam insulation and air barrier.

To get a better air seal. 1a attic access door. If you do not use the attic much it is pointless heating this area. Earlier in this article we referenced this contractor who said that homeowners commonly insulate their ceilings but not necessarily their roof.

The headroom in the attic will determine how much usable floor space you have. Once you deal with the air up there this problem goes away with or without the insulation in the attic floor. Plan to pull up the flooring and layer new. While local codes vary many communities will not permit the ceiling in a finished.

Because the simplest and cheapest way to insulate an attic is to add material to the floor. A properly done spray foam job not only insulates but also greatly reduces the air leakage of.