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Killeen Roofing: Article About Hot Attics Cause Roofing Problems

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A hot attic may not seem like a problem to most homeowners; however, it can be the first cause in many major roofing problems, increased cooling costs and HVAC failure. As the bright Texas sun shines down on a roof, its energy heats it up. The roof transfers that heat into the attic, where it gets trapped and builds up in much the same way that it does in a parked car. During the summer months, an attic can reach temperatures of 150 degrees and only cool down to 120 degrees. Even sunny winter days can cause heat to build up in the attic. Homeowners who are interested in keeping their attics as cool as possible can consult a reputable Killeen roofing company to discuss attic cooling solutions.

An overheated attic causes the roof's shingles to be heated from above as well as below. As the shingles expand and contract at different rates, they may begin to crack, curl or buckle. When this happens, the shingles no longer function properly and leaks will begin to develop. Some shingle manufacturers' warranties are voided if a hot attic is found to be the cause of premature failure.

The expert roofers at Tony's Roofing of Killeen can assist you with any questions regarding insulation or roof repairs.

Even in the wintertime, an attic can be significantly warmer than the outside air temperature. This causes any accumulated snow to melt. As the meltwater reaches the overhanging eaves, it quickly refreezes and causes an ice dam. These ice dams can lift the shingles at the roof's lower edge and cause gutters to be pushed away from the roof. As the snow continues to melt, the compromised shingles allow water to pass through. The result is a leaky roof.

Each roof has a layer of roofing felt between the deck and the shingles. Its purpose is to keep rain and moisture from seeping into the attic through the deck's joints. Roofing felt is made water resistant by saturating it with asphalt. The compounds in the asphalt that make it water resistant evaporate over time. Heat increases the evaporative process, especially when the roofing felt is subjected to heat from both sides. When the water resistant components have evaporated completely, the felt becomes absorbent rather than resistant. Most roofing felt is rated to last 8 to 10 years, but a hot attic decreases that time by about 25 percent. If the roofing felt has deteriorated to the point of uselessness, it will not be evident until something major happens to reveal it, such as a hailstorm. The result will be a complete roof failure.

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