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Chesapeake Roofers: Article About Roofing Tough Spots

Jayhawk Exteriors: Professional Chesapeake Roofing
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The best Chesapeake roofers not only do quality work on the flat, simple runs, but they also deliver excellent roofing installation on the roof's most challenging areas. It is often these tough spots of a roof that later become leakage points, and only an experienced roofer will know how to minimize the chances of a leak. Proper handling of rough spots will also extend the life of a roof.

One crucial area that can cause difficulty is the row of ridge caps that line the roof's peak. These specialized shingles must be carefully overlapped with the seams aligned in the direction of the prevailing winds to reduce the risk of blowing off. Each ridge cap must be bent over the peak and nailed down firmly to create extra wind resistance. Ridge caps also assist in keeping rain and melting snow from entering the house through the peak. As ridge caps will deteriorate faster than the average shingle, they sometimes must be replaced long before a new roofing job is needed.

The opposite of a peak is a valley. The valleys funnel water down the roof and are especially leak prone. Ice dams frequently form in the valleys, backing up puddles that can leak into the house. There are several ways good roofers prevent these problems.

3 tab shingles are frequently woven together at the valleys though this does not work well with thicker, laminate shingles.

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Both leak barriers and underlayment lie below the valley shingles for added protection. Laminated shingles often use the close cut method, which avoids all seams at the valleys. The shingles are simply bent into position, except at the edge of the roof where the first couple shingles are woven together. Some roofs use wide, metal flashing along the full length of the valleys. These are called open valleys. Nails hold the metal in place, but should never puncture it. Asphalt adhesive adheres the metal to the roof and the shingles at the outside edges of the flashing.

Flashing must also be used around chimneys and vents in addition to the area at the edge of the roof to prevent water from the gutter from backing up under the shingles. High quality metals with soldered joints are sometimes used for a fully watertight seal. Quality flashing will often save the day during storm conditions when fierce winds push water uphill along the roof slope.

Finally, isolated roof zones, mini gables and places where roofing pushes up against a side wall can also be difficult to roof. A good roofer, however, will be accustomed to dealing with these challenges.

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