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Roof Vents Preserve the Life of Your Roof

By Ken Briesemeister Subscribe to RSS | March 27th 2012 | Views:

Roof vents are a necessary part of your roof’s well-being, but they could also be a source of roof repair problems. The flashing around the roof vents could be improperly installed into the layers of roofing material or incorrectly sealed, leading to leaks. Leaks are tricky things; water drips or gets blown in, travels by capillary wicking action and also by gravity sometimes to locations far from the source of the water.

However, without vents, your attic would build up heat, sometimes to 160 degrees that would cook your Virginia (VA) roof from the bottom up. While this may not matter as greatly in metal or tile roofs, excessive heat can seriously shorten the lifespan of shingle roofs which are often guaranteed for 25 years. In the summer and winter, the air in the attic of a house provides a needed insulation zone, but if the air doesn’t move, the heat radiates into your house and can cause your utility bills to rise. Without proper air circulation, it also deteriorates the structure of your roof by baking the wood in the summer and subjecting the wood and insulation to mold, mildew, and ice in the winter.

Roof vents are needed for the placement of air from outside to move in to your attic and air from the attic to move outside. It is essential for a well-insulated home. In fact, effective roof ventilation will actually reduce your energy costs and will prolong the life of your roof sheathing, shingles, and insulation. Roof vents provide the much needed ventilation points in addition to the gable end vents and eaves.

Roof styles such as hip and mansard roofs especially need roof vents as there aren’t any gable ends to vent out the hot air. Roof vents are also needed because sometimes when architects design the gable end vents, the size is decided more by the design of the house than the airflow needs of the attic. Ideally, all the air in an attic should change out about every two and one half minutes. Adding roof vents lets off the excess heat, adding to the life of your roof and your house.

Ken Briesemeister - About Author:
Roof is the residential and commercial Roofers contractor servicing all areas of Northern Virginia, Prince William County, Loudoun County and Fairfax County. Our teams of professional roofers handle any size job for roof new roof installation, ventilation, skylights, gutters and leaky windows.

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