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Virginia Roof Flashing Repairs
The ideal roof is one that flows from one end of your VA house to the other without interruptions such as seams, roof vents, roof fans or skylights. This is the best guarantee you have of no leaks but it is definitely not a typical scenario. The normal types of roof construction include many variables and wherever there is an opening made through the roof, flashing is used as the transition between the roofing materials and the object penetrating the roof.
Flashing is a thin strip of material such as aluminum, tin, cooper and sometimes asphalt that is long enough and wide enough to cover the gap between the roofing materials and the object going through the roof. The gap may be quite narrow, but any space that is not watertight is an open invitation for rainwater and melt water to seep through the roof. A water leak creates substantial damage to a house as it finds its way through the attic, ceilings and walls.
You can see flashing at work on your roof anywhere two slopes meet in a roof valley or the slope of a roof where it meets a wall. It is also used around anything that comes from inside the house through the roof. There is a specific way the installation needs to happen to produce the best results and prevent leaks. For example, if it is fastened with the roofing nails to close to the seam it is covering, stress is put on the surrounding shingles, causing them to crack under the pressure. Your installer needs to be very experienced in this area of roof construction and repair.
Over time, like all other roofing materials your flashing deteriorates due to exposure to the elements. The UV rays from the sun are very hard on a roof. The adhesive compounds applied to flashing to keep it watertight eventually shrink and crack, allowing it to lift and warp. Rainwater and organic debris such as rotting leaves corrode it, allowing pinholes to develop. The result is roof leaks that lead to water damage.
Call us today for a free roof inspection. Flashing repairs need to be done immediately to avoid costly leaks.
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