Can I use unfaced insulation in garage ceiling?

Can I use unfaced insulation in garage ceiling?

You can use either faced insulation or unfaced insulation. However, if you use an unfaced insulation you will need to add a plastic vapor barrier over the garage walls after installing the insulation.

Should garage insulation be faced or unfaced?

Generally, you should use faced insulation for your garage, especially if you live in a very cold or humid climate. Using faced insulation may help you comply with your local building codes. However, if your garage already has a layer of insulation, use unfaced insulation.

What insulation should I use in my garage ceiling?

There are several different types of insulation you can use, but Sebring recommends using fiberglass insulation sold in rolls or batts (precut sections) to insulate your garage yourself. He says this is the easiest DIY choice. Advantages of fiberglass insulation rolls and batts: Easy to handle and use between framing.

Can I use unfaced insulation in ceiling?

Faced, or the type with paper, is typically used in first-time applications, such as in walls, ceilings, floors, and in crawl spaces. Unfaced insulation—the type without paper—is what you would use if you are adding insulation to your attic or to place between floors when living space is above and below.

Does ceiling insulation need a vapor barrier?

Vapor barriers—sheets of plastic or kraft paper—keep water vapor out of the wall cavity, so the insulation stays dry. Not every type of insulation needs a vapor barrier. But if it does, the barrier should face inside in northern, heating climates, and outside in humid southern climates.

How bad is spray foam insulation?

According to the EPA: “Homeowners who are exposed to isocyanates and other spray foam chemicals in vapours, aerosols, and dust during or after the installation process “run the risk of developing asthma, sensitization, lung damage, other respiratory and breathing problems, and skin and eye irritation.”