Why Not Insulate Garage Attic

Insulating the attic floor.

Why not insulate garage attic.

Insulation is one of the best investments you can make in your main house so it makes sense to seriously consider it for your detached garage. If these walls are not insulated the temperature of the garage can affect the rooms and make the house s heating and cooling system work harder to compensate. Use fibreglass cellulose foam board or closed cell spray foam if. Plan to pull up the flooring and layer new insulation on top of the old.

Stop using your attic for storage. Air migrates from warmer spaces toward colder spaces and insulation is designed to help prevent or at least slow that migration. Because the simplest and cheapest way to insulate an attic is to add material to the floor. But if the garage is heated you should definitely insulate.

If it isn t you don t want to insulate. It isn t important to insulate the ceiling between the attic and the garage because those areas are not affected by a home s heating and cooling system. The floor of your garage is probably built on a slab which means that it isn t insulated and is an ongoing source of energy transference. Studies for our climate have shown that no significant amount of savings were seen by insulating an unconditioned garage.

If you do not use the attic much it is pointless heating this area. So insulating the floor of the attic is not only the best solution but it is also the simplest and cheapest. Doing so can cause mildew. When it s all said and done you won t be spending big bucks in doing so.

What is the right insulation for an attic. In general if you re not heating or cooling your garage there is little benefit to insulating the ceiling because there s no costly heated or cooled air to keep in. In practical terms you can choose between mineral wool or insulation boards. But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates.

All that remains is the insulation if you so choose to include it and why not. It is important to insulate any walls that separate the garage from air conditioned rooms in the house.