Internal Garage Roof Insulation

In either case you will need to follow the general steps below to insulate your garage roof.

Internal garage roof 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. Although there is a myriad of different roof types the most important aspect where insulation is concerned is flat or pitched. Cut foam insulation to size now that you know the dimensions for each panel on your garage door cut the foam insulation to size. One of my main considerations when insulating a garage roof is ventilation.

If your garage is attached to your house you will notice a big difference in your home s temperature as well. Poor ventilation which can lead to water vapour permeating the internal finishes and insulation is a cause of many garage problems. There should be a continuous ridge and soffit ventilation. You can also get loose fill fiberglass which it suitable for blowing into a garage attic space above a finished ceiling.

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. The space created above the garage would also have to be fully insulated in a similar fashion to the garage. Repeat this step until you have cut enough insulation to cover the entire door. Adhere insulation to garage door open your adhesive and start adhering your cut insulation to the door.

Use fibreglass cellulose foam board or closed cell spray foam if it were my garage i d go with spray foam. 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. However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof. 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. Fiberglass is the most commonly used type of insulation in garages just as it s the most popular type in homes. 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. It s sold in pre cut batts and long blankets that fit between wall studs and ceiling joists.

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.