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Roof flashing: Where is it placed

One of the most important roofing steps is purchasing and installing roof flashing to keep water out of your home.

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Roof flashingInstalling a new roof on your home is more involved than just removing your existing shingles and installing new ones. Several other steps are required to install a roof that is beautiful and functional. One of the most important steps is purchasing and installing roof flashing to keep water out of your home. 

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You don't necessarily need to know how to install roof flashing. After all, you can hire a professional roofing contractor to complete the installation. Reply! can help you find a contractor in your area. You should, however, know how installing roof flashing will benefit you and your home. You should also familiarize yourself with how the flashing is going to be installed on your roof.

Roof flashing is specifically designed to prevent water from seeping into your home at the weak points in your roof. These points are essentially any spot on the roof where there is a break in the shingles and can include chimneys, skylights, roof valleys and ventilation fans. When installed around the openings in the roof of your home, roof flashing directs the flow of water away from these areas.

The flashing your contractor uses will most likely be made of galvanized steel or aluminum. Other options for roof flashing materials include copper, stainless steel and plastic.

When installed with an asphalt roof, your roof flashing will be installed after the underlayment has been placed on the roof. Once the roofing underlayment and flashing are in place, the asphalt shingles are placed.

You may notice that your asphalt roof shingles come with some type of waterproof or watertight roofing warranty. But this warranty may not be valid if you do not install roof flashing before you install your asphalt roofing shingles.

As you plan the replacement of your home's existing roof, talk to several contractors. Be sure that each roofing contractor includes the cost of flashing in the total roofing cost portion of your estimate. Roofing prices can affect the total cost of your project, so you may want to ask your contractor about any possible materials discounts that might be available in your area.

If you simply need repairs to your existing roof flashing, your contractor may be able to complete the work for somewhere between $50 and $500, depending on where the flashing is located on your roof.

When installed properly, roof flashing will help protect the value of your home by preventing structural damage caused by water seepage. When you are ready to start your residential roofing project, be sure to use Reply! to find a professional contractor in your area to complete the work.

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Photo credit: CertainTeed