The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
Why not insulate the top of the attic.
Stop using your attic for storage.
Wires vents and non ic recessed lights complicate the task.
Plan to pull up the flooring and layer new insulation on top of the old.
Before you insulate your attic read these pre insulation steps first.
Because the simplest and cheapest way to insulate an attic is to add material to the floor.
When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.
This is what energy experts call the stack effect.
Intake vents located at the lowest part of the roof under the eaves allow cool.
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.
On gable ends.
Most however agree that vents in the attic not only keep the house more comfortable but also prevent potential problems.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
The technically correct approach depends on a number of factors.
Once the batts are up there it is a tedious task of laying the batts between ceiling joists.
By putting a secure heat impermeable.
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 primary reason to insulate any part of the home is to provide a thermal barrier between conditioned heated or cooled interior space and the.
The typical attic includes ventilation in three locations.
Does a garage attic need to be insulated.
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.
There are better ways to spend your money on garage improvements that may help lower your energy bills.
Add the right kind of insulation.
Whether or not there is an inner roof lining and the total thickness of the roof structure.
The worst part is getting the fiberglass batts up into the attic.
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.
Other than that the high air pressure at the top of the house will create low pressure at the bottom.
You can add loose fill on top of fiberglass batts or blankets and vice.