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Read This Before You Insulate Your Attic

May 24

Before you install new attic insulation, it is important to understand what is involved. You can do this by reading this article. Then, you can choose from fiberglass batts, unfaced batts, or spray foam. Whether you use fiberglass or spray foam, you'll want to follow the directions carefully and read manufacturer's instructions carefully. It is a good idea to use a ladder as well if you're unable to work at heights.

Attic Insulation

Installing fiberglass batts

Before you begin installing attic insulation, you should make sure that the attic is completely dry and that the electrical boxes are secure. Regardless of whether you're going to use blown-in or fiberglass insulation, the walls should have a vapor barrier to prevent air infiltration. You should also be sure to remove the old insulation before you start insulating. Fiberglass batts are a great choice for homes that already have attic insulation, and they're usually inexpensive.

When installing fiberglass batts in your attic, remember that unfaced batts are best, because they prevent moisture from accumulating in between layers. You can purchase batts that are unfaced, and then simply remove the paper backing. Make sure you install them perpendicular to the old layer. Be sure to butt the adjacent batts snugly together, but not compressed.

Spray foam

There are pros and cons to spray foam insulation. The main one is that it creates a conditioned space that blocks moisture and external air from entering your attic. Another benefit is that it eliminates the need for roof vents. However, different contractors will have different opinions on whether spray foam is the right option for your home. While it can keep the attic dry, it also increases the humidity of the attic air.

Before deciding to spray foam your attic, you should know how spray foam works and the risks of applying it yourself. This is a highly specialized process, and if it's not done correctly, it could have harmful effects on your health. The spray foam will fill gaps between wooden joists in your attic, but you should leave the work to a professional. It will also block noise from both inside and outside the home.

Unfaced batts

Adding additional insulation to your attic does not have to involve a similar type of material. Fiberglass blankets and batts can be added on top of loose fill. Make sure to buy unfaced fiberglass batts, which do not have a backing. You can also purchase rolls and batts, but make sure you buy extra material just in case. Lastly, be sure to measure the size of your attic before you start installing insulation.

Be sure to protect your skin and clothing when working in the attic. Insulation professionals will be wearing protective gear, including goggles and face masks. Be sure to shower after each installation to get rid of any fibers. Also, wash your work clothes immediately after use. You'll want to avoid tearing or damaging your insulation. If you choose to install insulation yourself, take the time to learn how to do it right.


Before you decide to suck in your attic insulation, you should know a few things about it. R-values vary, depending on your climate zone and your house's size. The minimum R-value depends on the type of insulation you use and the depth in the attic floor. To determine how much insulation you need, measure your attic and do some math. If you're going to use loose fill insulation, you'll want to buy a bag that's the appropriate size for the attic floor and the roof.

The purpose of attic insulation varies. Depending on how you intend to use the space, it may be wise to put insulation between the roof and floor. By doing this, you'll reduce the amount of energy you waste. Moreover, you'll reduce your monthly heating bill by 20 percent to 50 percent by reducing heat loss. Before you get started, however, check the attic's structural integrity. Is the attic space free from open spaces and discoloration?

Pull-down stair

Before you start insulating your attic, you should install a pull-down stair. To do this, you must measure the attic opening, including the floor and add two inches to the height. Then, you can build a pull-down stair box to fit the stairs. You need a rigid foam board, reflective foil duct tape, and adhesive weatherstripping to do this. You can also choose to use a lightweight plywood.

You can also get a pull-down stair if the ceiling of your attic is lower than 7 feet. This product is simple to use, as you simply pull it down and step onto it. This option will save you energy costs because it provides an R-value of 5.2. The attic will keep warm air in during cold snaps, making it a practical choice for homeowners with an attic.


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