Insulating Detached Garage Roof

A detached insulated garage can serve as a place for storage and tools maybe even a small shop but that shouldn t detract from the main purpose of housing the family car.

Insulating detached garage roof. Don t insulate your garage walls and ceiling without insulating the big garage door too. If you didn t do that before you put the frame up you can still do it now although it s going to be. To finish insulating your detached garage close up all cracks that are letting unwanted air inside. If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder.

This will allow you to add the needed insulation. Keep in mind that the structural metal ribbing of garage doors is an excellent conductor of heat and this typically doesn t get insulated. When constructing insulating a detached garage it is usually a good idea to add enough space in the back for storage and tools. 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.

I wrote a tutorial on how to waterproof and seal your garage walls using drylok. 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. Be sure to count the spaces above doors and windows.

Regulate your garage s temperature all year by installing insulation. If your garage is attached to your house you will notice a big difference in your home s temperature as well. 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. To get more insulation in the garage install a ceiling and provide access to the space between the ceiling and the roof.

There are a few different types of insulation you might look into for your detached garage. Insulation rolls preferably ones easy to cut into pieces one of the best methods you can use if you want to regulate the temperature of your garage is to insulate the garage roof. How to insulate a garage step by step. Especially in older garages the wood around door frames and window sills may have warped or.

Last chance to waterproof your wall. However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof. Whether you opt for spray foam blown in or fiberglass batts for your insulation it s likely you won t need a whole lot to fully insulate your entire detached garage.