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Bergen County Roofing: Article About Roof Drainage

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In places like the mid-Atlantic and northeastern areas of the United States, rainfall can be heavy and cause significant damage to a home. Melting ice and snow can also pose drainage issues for many residential properties. Reliable Bergen County roofing contractors can install rain diverters that help to direct the water down and away from the roof. There are pros and cons to installing this equipment, which is why it is important to work with an experienced roofer who can determine whether or not it is a good choice for a particular home.

Diverter flashing works by directing water away from the cladding and into the gutter. When they are installed the right way, the diverters do a good job of keeping water off of and away from areas such as walls, windows and porches. They are typically installed at the intersection of a crossed-hipped roof or other areas where large amounts of rainwater or melting ice and snow could overflow or miss the eave troughs. They are also helpful in areas with a chimney intersecting an exterior wall where gutters are installed.

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Some municipalities are requiring that these diverters be installed on newly built homes because their building envelopes are not breathable and are especially prone to severe water damage.

There are several parts of diverters that require special attention and regular inspections. Their seams must be watertight and free of rust and corrosion. Any small holes or gaps will allow water to leak out in undesirable locations. In the wintertime, such dripping could cause ice to form on a home's porch or front steps, creating a danger to pedestrians. Some homeowners may try to modify the diverter to make it more aesthetically appealing. However, these attempts can actually interfere with the ideal functioning of the diverter. Only qualified roofers should make any changes or updates to the height, angle or positioning of a rain diversion device.

Improperly installed rain diversion units can damage a home's cladding. When the water is not properly diverted, it may form a small waterfall that runs down the structure's exterior walls. This regular exposure to excessive water may allow moisture to leak through the siding, brick or stone and into the insulation, drywall or sheetrock. This may cause considerable damage to the house. As the water lands against the foundation of the home, it could create cracks in concrete blocks and lead to mold or mildew growth and water seepage.

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