Why Not Insulate The Top Of The Attic

The primary reason to insulate any part of the home is to provide a thermal barrier between conditioned heated or cooled interior space and the.

Why not insulate the top of the attic.

Plan to pull up the flooring and layer new insulation on top of the old. Add the right kind of insulation. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. This is what energy experts call the stack effect.

Insulating the area in the attic over a garage might keep the temperature a little more stable in the garage but it does little to reduce the amount of energy needed to heat and cool your house so it s not a good investment of your energy dollars. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. Once the batts are up there it is a tedious task of laying the batts between ceiling joists. While not an easy or fun project you can insulate your attic by yourself.

You can add loose fill on top of fiberglass batts or blankets and vice. There are better ways to spend your money on garage improvements that may help lower your energy bills. Before you insulate your attic read these pre insulation steps first. Most however agree that vents in the attic not only keep the house more comfortable but also prevent potential problems.

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 technically correct approach depends on a number of factors. Whether or not there is an inner roof lining and the total thickness of the roof structure. On gable ends.

Wires vents and non ic recessed lights complicate the task. Other than that the high air pressure at the top of the house will create low pressure at the bottom. Instead of insulating the garage attic. If your attic is often used or perhaps you plan to convert it in the future you will need to insulate the inner surfaces of the roof.

The worst part is getting the fiberglass batts up into the attic. It isn t important to insulate the ceiling between the attic and the garage because those areas are not affected by a home s heating and cooling system. The typical attic includes ventilation in three locations. The cold air gets pulled in because of these different air pressures making your home frigid.

When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic. Because the simplest and cheapest way to insulate an attic is to add material to the floor. Intake vents located at the lowest part of the roof under the eaves allow cool.