Garage Roof Ceiling Insulation

Insulating the ceiling of your garage involves the same process as insulating the walls.

Garage roof ceiling insulation.

Regulate your garage s temperature all year by installing insulation. To prepare determine the area of the space you plan to insulate and add 10 to 20 percent to account for mistakes and odd spaces you need to fill. In either case you will need to follow the general steps below to insulate your garage roof. Fiberglass is the most commonly used type of insulation in garages just as it s the most popular type in homes.

Just remember to use thicker r 40 insulation. Use fibreglass cellulose foam board or closed cell spray foam if it were my garage i d go with spray foam. It s sold in pre cut batts and long blankets that fit between wall studs and ceiling joists. Measure the height and width between the framing in the ceiling and pre cut the pieces you ll need.

R 5 small projects rigid pink foam board insulation sheathing model pp1 view the owens corning diy insulation solutions. Garage ceiling insulation is cheap accessible and easy to install. But if the garage is heated you should definitely insulate. 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.

This will allow you to add the needed insulation. Make sure you have enough ventilation on your roof as well. Then cover it with drywall. Insulating the garage ceiling is a quick and simple way to warm up one of the coldest parts of your home.

If you are insulating the garage ceiling not only by the truss level but also up by the roofline then you must leave at least 1 1 2 to two inches of air between the fiberglass and the underside. To get more insulation in the garage install a ceiling and provide access to the space between the ceiling and the roof. If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder. See the department of energy s doe ranges for recommended levels of insulation below.

Be sure to count the spaces above doors and windows. There should be a continuous ridge and soffit ventilation. Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces. However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof.

This will make the garage space more appealing to work in and it will allow you to store a greater variety of items that may currently be cluttering up your house.