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.

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. If someone spends a lot of time in the garage insulating it may improve their comfort even if it doesn t lower any bills. Once you deal with the air up there this problem goes away with or without the insulation in the attic floor.

It really should be called spray foam insulation and air barrier. The final word ceiling insulation is the most important. The table below shows what levels of insulation are cost effective for different climates and locations in the home. The higher the r value the better the thermal performance of the insulation.

A properly done spray foam job not only insulates but also greatly reduces the air leakage of. Start with the attic floor. Homeowners also should insulate a garage completely including in the attic above it. Because the simplest and cheapest way to insulate an attic is to add material to the floor.

1a attic access door. Insulating the attic floor. While local codes vary many communities will not permit the ceiling in a finished. Spray foam insulation is an incomplete name.

Considering usable floor space. Stop using your attic for storage. So insulating the floor of the attic is not only the best solution but it is also the simplest and cheapest. If it is and you plan to provide heating and cooling to the finished attic space you need to remove.

Some attic floors that already have a layer of insulation could benefit from an additional application over the existing layer. The extra batting increases r values so it further slows warm air. The attic floor which is the ceiling of the living space below often already is insulated. 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. R value is a measure of insulation s ability to resist heat traveling through it. To get a better air seal.

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. Plan to pull up the flooring and layer new.