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.
No insulation in attic above garage.
Don t insulate your garage walls and ceiling without insulating the big garage door too.
Loose fill or batt the common term for blanket insulation.
After insulating the attic of your garage your garage will be the same temperature as the outside in the shade.
And in homes with attic knee walls i e.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
A lot of bedrooms over garages have both of these problems.
You can buy insulation kits for standard metal garage doors or you can cut pieces of rigid foam insulation to fit each door panel section.
A contractor will come and open up a hole in the wall pump in a cellulose insulating material and then patch up the opening.
Insulation is used reduce the transference of heat between conditioned area your house and non condition areas garage and outdoors.
Both can be added to uninsulated attics or layered over existing material.
Air sealing insulation and ductwork builders rarely insulate the floor above a garage.
Keep in mind that the structural metal ribbing of garage doors is an excellent conductor of heat and this typically.
If you do not heat or cool an area it is considered to be unconditioned.
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.
This is why we spray foam garages.
It gives us a thermal break.
If you already have drywall installed around your garage but don t have it insulated then blown in insulation may be the answer.
For diy attic insulation you ve got two choices.
Studies for our climate have shown that no significant amount of savings were seen by insulating an unconditioned garage.
Danny lipford in an uninsulated attic over a 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.
Your attic is on the other side of the bedroom wall inadequate thermal treatment and air leaks can wreak serious havoc on comfort.