This is a styrofoam shoot that you staple to the underside of the roof deck stopping the insulation from compressing against the underside of the roof and creating a 1 1 2 airspace for 4 to 8 long.
How to insulate garage hip roof.
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.
How to insulate a garage wall in four easy steps step 1.
Last chance to waterproof your wall.
If you didn t do that before you put the frame up you can still do it now although it s going to be.
If your garage has drywall remove it.
Clear the walls for the insulation.
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.
With a warm roof the usual process is to split the insulation into two layers.
Look for gaps and cracks in the wall.
However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof.
I would recommend that you install them the full length from the lowest part of the attic to where there is an adequate air space existing.
If your garage is attached to your house you will notice a big difference in your home s temperature as well.
I wrote a tutorial on how to waterproof and seal your garage walls using drylok.
Get your expanding foam and vigorously shake it for about one minute.