If you didn t do that before you put the frame up you can still do it now although it s going to be.
How to insulate garage hip roof.
How to insulate a garage wall in four easy steps step 1.
Clear the walls for the insulation.
If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder.
How to insulate a garage step by step.
Here s my step by step process for how i added insulation to my garage.
If 180mm is to be installed then 100mm board might be introduced between the rafters there has to be a minimum 25mm air gap between the insulation and the underside of the tiles or slates with an 80mm board running across the rafters.
With a warm roof the usual process is to split the insulation into two layers.
Last chance to waterproof your wall.
Look for gaps and cracks in the wall.
If your garage has drywall remove it.
Get your expanding foam and vigorously shake it for about one minute.
I wrote a tutorial on how to waterproof and seal your garage walls using drylok.
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.