Insulating Flat Roof Garage

If you have a flat garage roof and an attic above you can install the garage insulation from below using a standard ladder.

Insulating flat roof garage.

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. The task of insulating a garage roof is not hard to complete if you follow a few tips and hints. If your garage is attached to your house you will notice a big difference in your home s temperature as well. This means that your approach to insulation will differ from a standard pitched 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. While expensive the best insulation is polyiso rigid foam. Flat roofs are harder to insulate through diy and it s. One of the best methods you can use if you want to regulate the temperature of your garage is to insulate the garage roof.

Laying flat roof insulation as a rule any roof with a pitch below 10 is classified as a flat roof. We expect the flat roof insulation project to help retain heat in the winter as well. 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. A cold roof is when your insulation material is fixed between the roof joists.

When it comes to insulating a flat roof you can go for two options. You can expect to pay about 55 100 sq ft. If this is in a good condition then it can just be swept clean and the insulation either mechanically fixed or glued on top of the existing roof. In either case you will need to follow the general steps below to insulate your garage roof.

For a 1 inch board equivalent of 6 r value. Don t insulate your garage walls and ceiling without insulating the big garage door too. A ventilation gap of 2 inches between the insulation and the underside of the roof is required as standard. We recommend having at least 20 r value worth of material for optimal energy efficiency.

Now that i ve framed my garage wall the second step in my garage transformation is to insulate my garage walls. In most cases there will not be a loft in a building that features flat roofing. However if you have a cathedral style garage roof you will need a scaffolding to get into the upper areas of the roof. Of course winter here in san diego isn t going to do much to tax the insulation.

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. The regulating temperature has positive effects on your cooling and heating costs. A warm roof or a cold roof.