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Bergen County Roofing: Article About Keeping Roofs Waterproof

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Your roof's main job is to keep water and weather out, but you may discover that it's not performing its duties correctly. When your Bergen County roofing starts to leak, it's tempting to slap some roofing pitch on any obvious breaches or replace a few shingles and hope for the best. While some patch kits are of high enough quality to serve as temporary or even permanent remedies, they can't correct all the issues that arise from compromised waterproofing. Here are some tips on how to keep your home's roof moisture ready.

How does waterproofing work? There are many forms of roof-based moisture barriers, but most include some kind of hydrophobic waterproofing substance. Materials like metals, plastic and bitumen, commonly known as asphalt, are known for their ability to block the passage of water, even under high-stress storm conditions. By preventing water from penetrating or even sitting in one place for too long, these waterproofing substances can be used to protect the other vital layers of roofing that insulate your home's organic building surfaces.

With asphalt and similar substances, your roofing materials can be impregnated with waterproofing in the factory. Because these forms of moisture barriers are embedded within the structure of the roofing materials themselves, water usually can't leak through unless you've got a hole that penetrates the entire component. Remember, however, that materials like asphalt shingles don't prevent the passage of moisture around their joints.

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For this, they must be sealed together with an additional coating or adhesive.

After asphalt shingle roofs are installed, they're often sprayed or painted with a uniform sealant. These additives include a number of organic and synthetic chemical formulas designed to make water droplets slide off of the treated surfaces even faster. While they last for some time, many require periodic reapplication.

Good waterproofing treatments also include something called flashing. This metal or PVC substance comes in the form of solid sheets or strips that are installed over the joints between roof planes or around protruding fixtures, such as chimneys, windows and vents. Flashing is essential because gravity tends to make water and debris collect in these areas, and the erosion caused by these substances can wear away most chemical waterproofing.

Additional waterproofing layers may also be found beneath your shingles or metal roof. These substances often include bitumen, but many are composed of synthetics and other materials. They serve as good barriers against atmospheric moisture and act as backups in case the top waterproofing layers fail.

Healthy roof waterproofing incorporates all of these elements working together. Because there are so many ways to keep water out, however, it can be difficult for property owners to pinpoint the exact nature of their roof leaks without experience and advanced diagnostic tools.

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