Insulating the attic above a garage that is not connected to an hvac system has no appreciable effect on home energy bills.
How to insulate attic above garage.
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.
Control your attic and hot walls and you can control comfort.
Insulating the garage attic.
Plan to pull up the flooring and layer new insulation on top of the old.
For example heating and air can come from clothes driers.
Because the simplest and cheapest way to insulate an attic is to add material to the floor.
R value refers to how well the insulation resists heat loss.
You should have a vapor barrier between the insulation and the ceiling of your garage.
It s sold in pre cut batts and long blankets that fit between wall studs and ceiling joists.
Fill the wall with cellulose a substitute for expandable foam through these holes.
If you re using your garage enough to warrant installing a heater and or air conditioner by all means you should insulate the ceiling between the garage and an unfinished attic space above.
All you have to do is unroll a piece of insulation long enough to stretch from the ceiling to the floor staple and repeat.
However before you choose any old insulation you want to ensure you get one with the appropriate r value for the garage s climate.
The layer of insulation should be even throughout and the garage should be kept well ventilated.
You can also get loose fill fiberglass which it suitable for blowing into a garage attic space above a finished ceiling.
Fiberglass is the most commonly used type of insulation in garages just as it s the most popular type in homes.
If your media room is above the garage there is typically little to no insulation in the midfloor space.
Install a storm door between the garage and the house to protect your home against the elements and seal any gaps that may allow wind or rain into the garage.
Take the insulation up to your attic so that you are above the garage ceiling.
This is particularly imnportant if you have heating and air in the garage.
Another thing we do to address the media room problem is to address the flooring.
Take up the floor allowing you to see the joists.