How To Insulate Garage Ceiling Rafters

Seal all ceiling openings.

How to insulate garage ceiling rafters.

If the garage is open to the rafters the boards that support the roof use r 38 insulation between the rafters at the roof if they are 10 inches deep. Many homeowners will purchase this type but using it will present an increased fire hazard and risk to the home due to the craft paper like facing. However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof. Apply insulation between rafters when finishing an attic into a heated room or when building a cathedral ceiling in the home.

To get more insulation in the garage install a ceiling and provide access to the space between the ceiling and the roof. For the ceiling rafters 24 oc would it be easiest to place normal batting between the rafters and then hang the drywall or hang the drywall first and then lay the insulation afterwards. If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder. Since a garage is generally used to store lawn equipment and vehicles that have combustible.

If you lose your balance you could crash through the ceiling. If you are going the extra mile to insulate your garage ceiling try to stay away from faced insulation. Stand on a ladder and using a caulk gun seal any areas where there is visible wiring or plumbing. In either case you will need to follow the general steps below to insulate your garage roof.

So before insulating go around the garage with a can of low expanding spray foam and seal all gaps and cracks that let in the daylight. Illuminate dark corners of the attic using portable battery operated lanterns or clip on workshop lights. If your attic is usable space but not lived in then you won t need to insulate the roof rafters as long as the ceiling floor that separates the roof from your living area below is insulated. Or would blown in insulation be better.

Which is typically cheaper. Home ceilings are usually insulated in order to seal off the extreme temperatures in your attic. Check the joists and wall plates for any holes or openings. They must span at least three joists for stability.

And again do i need a vapor barrier. Garages built without attics are also prime candidates for insulation. You can insulate the walls ceiling and door of the garage to the highest r value possible but if you fail to fill those air gaps you ll still be wasting a lot of heat.