Insulate Garage Attic Space

Hire a pro to install spray foam insulation.

Insulate garage attic space. You can use rigid foam panels or do as tom silva does with nearly all houses these days. 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. 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. Studies for our climate have shown that no significant amount of savings were seen by insulating an unconditioned garage.

You should have a vapor barrier between the insulation and the ceiling of your garage. 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. If you re considering turning your attic into conditioned storage or living space it s worth changing tactics to insulate between the rafters and wall joists instead of the floor. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.

Additionally you can also purchase a new pre insulated door. 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. Fiberglass is the most commonly used type of insulation in garages just as it s the most popular type in homes. Take the insulation up to your attic so that you are above the garage ceiling.

Take up the floor allowing you to see the joists. This is particularly imnportant if you have heating and air in the garage. Insulating the garage door is the easiest and cheapest thing to do. If the attic space is going to be over the bay you pictured then you are limited in the amount of insulation you can install and still have a floor for storage.

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. If the collar ties are 2x6 then the most blanket type insulation you can install is r19. You can also get loose fill fiberglass which it suitable for blowing into a garage attic space above a finished ceiling. Many garages have an attic above them.

For example heating and air can come from clothes driers.