Insulating Flat Roof Garage

This means that your approach to insulation will differ from a standard pitched roof.

Insulating flat roof garage.

A warm roof on the other hand has insulation added above the joists with a waterproofing layer added on top. Laying flat roof insulation as a rule any roof with a pitch below 10 is classified as a flat roof. While expensive the best insulation is polyiso rigid foam. However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof.

You can buy insulation kits for standard metal garage doors or you can cut pieces of rigid foam insulation to fit each door panel section. For a 1 inch board equivalent of 6 r value. If your garage is attached to your house you will notice a big difference in your home s temperature as well. One of the best methods you can use if you want to regulate the temperature of your garage is to insulate the garage roof.

The regulating temperature has positive effects on your cooling and heating costs. Flat roofs are harder to insulate through diy and it s. Of course winter here in san diego isn t going to do much to tax the insulation. Don t insulate your garage walls and ceiling without insulating the big garage door too.

Between the flat roof insulation and our install of reach radiant barrier insulation on our garage door the shop is now downright comfortable even in the warmer months. Providing adequate ventilation is an essential part of insulation and will allow hot air to escape from the garage in winter as well as preventing moisture build up. We expect the flat roof insulation project to help retain heat in the winter as well. When it comes to insulating a flat roof you can go for two options.

In either case you will need to follow the general steps below to insulate your garage roof. For warm flat roofs where insulation is added above the roof joists the first area to check is the condition of the existing waterproofing on the roof. If you missed the first post in this series you can check them out using the links below. A warm roof or a cold roof.

A cold roof is when your insulation material is fixed between the roof joists. You can expect to pay about 55 100 sq ft. If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder. A ventilation gap of 2 inches between the insulation and the underside of the roof is required as standard.

Now that i ve framed my garage wall the second step in my garage transformation is to insulate my garage walls. The task of insulating a garage roof is not hard to complete if you follow a few tips and hints. In most cases there will not be a loft in a building that features flat roofing.