There are different garage ceiling insulating materials you can use but fiberglass is the most widely available.
How to insulate a garage roof cheaply.
Regulate your garage s temperature all year by installing insulation.
You can buy different types of insulation or buy a garage door insulation kit that has everything you need.
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.
This is part 1.
The easiest and cheapest area is to add insulation on your garage door.
If you didn t do that before you put the frame up you can still do it now although it s going to be.
Before you invest in a garage heating system make sure your garage has plenty of insulation.
I wrote a tutorial on how to waterproof and seal your garage walls using drylok.
It s about time i had a better work environment.
This will help while you re up on the ladder.
You can easily and inexpensively add clear plastic shrink film over windows for added protection against the cold.
Overlap and adjust the size of each pad as you go.
Fiberglass roll insulation fiberglass roll insulation is the cheapest and easiest type to install provided that your garage s interior walls have not been constructed.
Last chance to waterproof your wall.
If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder.
Here s my step by step process for how i added insulation to my garage.
Be sure to count the spaces above doors and windows.
Insulate garage doors where possible as well as walls and ceilings.
Just remember to use thicker r 40 insulation.
In either case you will need to follow the general steps below to insulate your garage roof.
How to insulate a garage step by step.
Start putting the pads into place and use a high strength staple gun to secure them into position.
Either way you go this diy project should only take a few hours to complete and will save you thousands of dollars over the course of its lifetime.
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.
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.
It is strong cheap and adjustable.
Unroll the insulation between the wall studs with the vapor barrier facing the inside of the garage.
