Instead of insulating the garage attic insulating adjoining walls.
Insulating attic over garage.
If the garage is unconditioned meaning there is no mini split or duct going to the garage there is no reason to insulate the garage s attic.
In this case you would want to insulate the garage ceiling.
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 outdoors or unheated spaces such as an unfinished.
This is a wide open drafty space that homeowners typically use for storage.
You should have a vapor barrier between the insulation and the ceiling of your garage.
Yes insulating an attached garage is a must if you don t have a central a c or heating system that extends into the garage space.
Take up the floor allowing you to see the joists.
Take the insulation up to your attic so that you are above the garage ceiling.
It isn t important to insulate the ceiling between the attic and the garage because those.
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.
This is particularly imnportant if you have heating and air in the garage.
A lot of homeowners want to turn their attached garage into a workshop so insulating the garage attic and door is a must if you plan on doing something similar.
When you should insulate an attached garage.
But what many may not know is an uninsulated attic drains energy and money.
Many garages have an attic above them.
Holes in the wall of the garage or gaps caused by switchboards and lamp holders can be sealed carefully.
Studies for our climate have shown that no significant amount of savings were seen by insulating an unconditioned garage.
On the same hand if there is a bedroom above the garage and not an attic the same concept applies.