I wrote a big article discussing whether you should insulate your garage.
Insulating garage roof.
Regulate your garage s temperature all year by installing insulation.
One of the best methods you can use if you want to regulate the temperature of your garage is to insulate the garage roof.
The task of insulating a garage roof is not hard to complete if you follow a few tips and hints.
Be sure to count the spaces above doors and windows.
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.
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.
However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof.
In either case you will need to follow the general steps below to insulate your garage roof.
The regulating temperature has positive effects on your cooling and heating costs.
Adding insulation won t make your garage a perfect temperature by itself but it will take the edge off the freezing winters and the sweltering summers.
If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder.
If your garage is attached to your house you will notice a big difference in your home s temperature as well.