Loveland Roofing: Article About New Flashing
Not all roof leaks are caused by problems with shingles. Often, the flashing can be the culprit. Flashing is a metal sheet applied at intersections where the roof meets a chimney, skylight or vent pipe. Leaks can be caused by improperly installed flashing or by flashing that has deteriorated over time. Either way, a qualified Loveland roofing contractor can evaluate the condition of your flashing and decide whether it should be repaired or replaced.
If your roof has been leaking, it's typical to check the shingles first. Shingles that are missing, curled or brittle can be responsible for water leaking into your home. In the absence of any visible signs of shingle damage, you may want to inspect the flashing. Check for any parts of the flashing that have pulled away from the roof. This is usually caused by erosion or damage to the roofing cement that holds the flashing in place. When the flashing pulls away, cracks form in the roof, allowing water to seep through and cause damage to your home.
Damage to the flashing itself can also result in leaks. Flashings are made from a variety of materials including rubber and sheet metal. Aluminum is currently one of the most popular options due to its durability and relatively low cost. However, even well-made aluminum flashing can sustain damage from long-term exposure to the elements. If you need to get your flashing repaired or replaced, it's best to call a reputable roofing contractor to handle the job.
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Applying the roofing cement and installing the flashing requires skill and expertise that is best delivered by a professional in the field.
Your contractor can also determine whether you'll need continuous flashing or step flashing on your roof. Continuous flashing is typically used at intersections where the roof meets with a wall; this is commonly found on a home that has dormers. The construction of this type of flashing allows water to flow away from the shingles. Step flashing, on the other hand, is commonly found with asphalt roofing. The design of this flashing resembles stair steps, with channels between each piece to let water flow through until it ultimately flows off the roof.
Flashing is not always replaced on its own; it will also be installed as part of a full roof replacement. When you discuss costs with your contractor, it's important to ask if the price includes flashing. Even if it ends up being an additional expense, the benefits of properly installed flashing justify the investment.
Nearly every roof requires flashing, so it's important to understand how it works and be able to identify problems. If you have any doubt about the condition of your roof or flashing, your roofing contractor will be able to provide an accurate assessment and recommend the best course of action.