How To Insulate Roof Of Garage

A warm roof or a cold roof.

How to insulate roof of garage.

When it comes to insulating a flat roof you can go for two options. The roof is half storage truss and half vaulted scissor truss. A warm roof on the other hand has insulation added above the joists with a waterproofing layer added on top. The tape will also make sure that there is an air pocket available in the insulation.

To install the insulation overhead you need to staple the pieces to the roof trusses. Check it out for more details and specific recommendations. What insulation to use in the garage. A cold roof is when your insulation material is fixed between the roof joists.

Put a piece of wood on top of the insulation to use as a guide to cut the insulation to the right size. You should use some foil tape to make sure that the insulation is stable on the roof edges. Staple the insulation all the way down the side of the stud. If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder.

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. Use a utility knife to cut excess insulation so it fits the size of the stud. However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof. Flat roofs are harder to insulate through diy and it s recommended that your find a professional to help with installation.

This is part 1. Be sure to count the spaces above doors and windows. In certain instances i opt for mineral wool insulation as it can be compressed and pushed in to provide a tight fit between the joists. For annexed garages with pitched roofs i ve found that the cerolex type stuff also yields great results.

If you re unfamiliar the storage truss is framed using 2 4 with another interior triangle made of 2x3s and about 5ft headroom. Make sure that all of the pieces are the same size so that they fit into the trusses. It s about time i had a better work environment. I wrote a big article discussing whether you should insulate your garage.

In either case you will need to follow the general steps below to insulate your garage roof. Tuck the insulation in to make it easier to staple.