Internal Garage Roof Insulation

If your garage is attached to your house you will notice a big difference in your home s temperature as well.

Internal garage roof insulation.

This can be done through the use of a stud wall a form of internal insulation whereby a second wall is installed to create a gap between both that can be filled with insulation materials. Fiberglass is the most commonly used type of insulation in garages just as it s the most popular type in homes. If the existing roof of the garage is pitched or if you are intending to build a space above the garage with a pitched roof then we suggest you look at our page on pitched roof insulation which covers this area in a bit more detail. However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof.

If you are insulating the garage ceiling not only by the truss level but also up by the roofline then you must leave at least 1 1 2 to two inches of air between the fiberglass and the underside. Cut foam insulation to size now that you know the dimensions for each panel on your garage door cut the foam insulation to size. But when it comes to upgrading your wall where your garage door resided or if your garage is detached you ll have to put some work in. In either case you will need to follow the general steps below to insulate your garage roof.

Make sure you have enough ventilation on your roof as well. There should be a continuous ridge and soffit ventilation. It s sold in pre cut batts and long blankets that fit between wall studs and ceiling joists. Although there is a myriad of different roof types the most important aspect where insulation is concerned is flat or pitched.

One of my main considerations when insulating a garage roof is ventilation. But if the garage is heated you should definitely insulate. This is a key component of creating a warm habitable space from what is often a cold and drafty garage. Then cover it with drywall.

If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder. Poor ventilation which can lead to water vapour permeating the internal finishes and insulation is a cause of many garage problems. Repeat this step until you have cut enough insulation to cover the entire door. Use fibreglass cellulose foam board or closed cell spray foam if it were my garage i d go with spray foam.

Adhere insulation to garage door open your adhesive and start adhering your cut insulation to the door.