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Albany Roofers: Article About What Makes A Roof Waterproof?

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A good roof is a marvelous feat of engineering, and there are many parts that work together to create its waterproof effect. Many homeowners see the shingles or metal panels and assume that this is the primary reason that water doesn't leak into the home. Learning about how all of the pieces of the puzzle fit together can make it easier to know when to call on Albany roofers for help with leaks.

Obviously, the outer layer does play a big role in keeping the building dry. Whether it's made from concrete or clay tiles, wooden shakes, asphalt shingles or metal panels, the materials need to be free from holes to work properly. In most cases, these materials last 20 years or more, but they can suffer damage that leads to leaks. For instance, rust can cause holes in a metal roof, falling branches during a windstorm can crack concrete and clay tiles and hailstones can knock off the protective asphalt granules. Any of these situations could require a fix.

Between the outer roofing materials and the wooden panels of the decking, there should be a waterproof layer called the underlayment.

The roofing experts at Ideal of Albany can assist you with any questions regarding roofing or windows.

It's typically made from a synthetic felt, but it may also contain materials that can help the shingles lay flat or make the roof more fire resistant. The underlayment is an extra layer of protection in case the outer shingles fail, but it also protects the roof during times when the wind might drive rain underneath shingles.

Flashing also keeps the roof from leaking. This is a metal material that is installed around protrusions in the roof like chimneys or vent pipes. It's also installed in other areas that might be more likely to leak, such as the roof's valleys or other areas that can get more water. If there are holes in the flashing or it becomes worn out, leaks can occur.

Of course, none of these products will do a good job if they are not properly installed by a knowledgeable roofer. For instance, a nail that didn't quite make its mark could penetrate all the way through the decking. Initially, the fit may be tight enough that water doesn't leak, but it can become a problem over time.

Leaking occurs when any of these products starts to fail. Fortunately, experienced roofers know how to seek out the root cause of a leaking roof. In many cases, simple repairs can fix the problems and homeowners won't need to purchase an entire new roof.

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