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.
Impact of insulating attic.
Installing insulation can result in the following improvements.
It s possible to rent an insulation blower and buy cellulose insulation to blow into the floor joists.
And it works the opposite way for warm climates.
Faced insulation has a vapor barrier that can hold on to moisture and cause mold in the attic floor and the ceiling below.
Blowing attic insulation isn t hard but it s dusty sweaty work.
The long term payoff of insulating an attic is impressive too.
Homeowners can avoid expensive repairs over time and benefit in various ways when they choose to install insulation in an attic.
This will serve the same function of keeping hot or cold air inside the garage as it does for the rest of the house.
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.
More limited resources conserved.
By the end of the weekend you re going to be sore and tired.
To make insulating an attic easier grab a helper and set aside two days.
If you ve ever come in contact with fiberglass you already know what it can do to your skin.
The tiny fibers of glass from insulation wool can irritate your skin and eyes.
But saving 1 000 or more with blown in ceiling insulation will make up for your aching back.
When you should insulate the garage.
One for attic prep and the second to actually blow the insulation.
In this case blow the insulation so that it falls higher than the floor joists to allow for settlement.
Excessive moisture buildup in these areas can lead to rot or mold problems.
A lack of insulation in your attic can be extremely costly since it allows for increased energy waste.
The department of energy estimates that a properly insulated attic can shave 10 to 50 percent off your heating bill.