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Asphalt Shingle Roofs: the Signs that They Need to be Replaced

By Brendan Gertner Subscribe to RSS | February 24th 2012 | Views:
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The huge number of people considering asphalt shingle roofing is not mere stroke of luck. Since asphalt shingles can be applied easily, affordable, resilient, and pleasing, it is not surprising that they enjoy the biggest share in the industry. Numerous advancements have made this type of roofing into among the most resilient forms of roofing available.

As early as the 1920s, asphalt shingles have been used widely in house roofing. The mix of asbestos fibers and Portland cement formed a shingle that was resilient and resistant to fire. Asphalt shingles were said to endure up to thirty years when properly installed and maintained. Their life expectancy highly relies on their exposure to weather such as sunlight, rain, and snow.

There are basically two types of asphalt shingles: "organic" and "fiberglass." Organic shingles are mainly created from paper with an asphalt coating to make it resistant to water. Fiberglass shingles, which are made from a kind of resin coating, can regulate the temperature of a home and offer a more noteworthy protection from fire.

Early Signs of Asphalt Replacements. Asphalt shingles need to be maintained regularly to work ideally. One way of doing this is to search for early signs of damage. One example is thermal cracking, caused by the shrinking fiberglass in the shingles. The fiberglass bond that assists prevent uplifting that may be too durable; thus, not enabling expansion or contraction of air inside the roof. This is not a typical type of roofing damage but your roofing Burnaby homeowners turn to can help be alert for such damage.

Curling is another sign of damage that is more common than thermal cracking. Curling happens when the roof's shingles curl up on one side. A curling or cupping roof says the shingles are becoming very brittle and that contractors providing roofing New Westminster has to offer has to replace them quickly to prevent leaky roofs.

Cupping is another sign. Here, the shingles build a low pit in the middle of the roof and raises its sides in a U-shape. This is achieved by the asphalt's old age and weak attachment to the roof base. If your roof has this, you should talk to an expert for roofing in Surrey to evaluate it. Do not step on cupped roofs since they may crack open and cause you to slip or fall.

Brendan Gertner - About Author:
For more details, please search " roofing Burnaby, roofing New Westminster and roofing in Surrey" in Google.

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