Take the insulation up to your attic so that you are above the garage ceiling.
Insulating attic space above garage.
Adding insulation to a garage will help moderate temperature extremes particularly if the garage space is attached to a house.
When you should insulate the garage if your home s hvac system does extend into the garage then the attic above it should be insulated as it would for any other room of the house.
Loose fill or batt the common term for blanket insulation.
In this case you would want to insulate the garage.
Many garages have an attic above them.
Both can be added to uninsulated attics or layered over existing material.
You should have a vapor barrier between the insulation and the ceiling of your garage.
Danny lipford in an uninsulated attic over a garage.
But what many may not know is an uninsulated attic drains energy and money.
For diy attic insulation you ve got two choices.
Insulating a garage makes sense if you re planning to heat the space.
Take up the floor allowing you to see the joists.
This is a wide open drafty space that homeowners typically use for storage.
Building codes differ by jurisdiction so be sure to check your.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
On the same hand if there is a bedroom above the garage and not an attic the same concept applies.
This is particularly imnportant if you have heating and air in the garage.
Insulating an attached garage may help lower heating and cooling costs since it provides a buffer space between the home s interior and the outdoors.
1a attic access door.
If the air distribution is in the attic space then consider insulating the rafters to move the distribution into the conditioned space.
For example heating and air can come from clothes driers.
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.
Insulating the attic above the garage will help keep temperatures in the garage a bit more stable but it won t have any appreciable effect on energy bills.