Denver Roofing: Article About The Importance Of Drip Edge Flashing
While the roof's shingles are designed to keep water out, there are other components that help do this. For example, drip edge flashing can extend the life of the roof by protecting the weaker areas. There are some buildings, however, that do not have drip edges installed. A Denver roofing contractor can provide more information about installing drip edge flashing.
Drip edge flashing is installed along the edges of the roof. It is usually installed underneath the first row of shingles and over the underlayment. It is also often installed along the roof's rake. When it is installed so that it gives the roof a bit of an overhang, the flashing directs water away from the fascia boards and into the gutter system.
Flashing is extremely important to install on certain roofs that have joints; these areas, such as the roof valleys, tend to be particularly weak and are likely to seep when bad weather occurs. To avoid this, flashing is placed in these areas to provide another layer of protection against moisture. Most roofs have flashing installed on these known weak areas. However, some roofs fail to have drip edge flashing installed. If the roof does not have any overhang, there is a possibility that moisture can seep into the roof just below the last row of shingles.
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This scenario is also likely to happen if the roof occasionally forms ice dams in the winter.
While preventing water penetration due to leaks is drip edge flashing's most important function, it does provide other benefits. For example, the deck and the fascia boards may move as the house or building settles over time, which can potentially lead to leaks. Drip edge flashing protects against this movement by reducing the size of any holes or cracks that may form where moisture can get in.
Unless the roof is made out of copper, drip edge flashing is usually made from aluminum. This is because aluminum is a durable but malleable material; it can be made into different shapes depending on the roof's structural design. Additionally, the material is extremely affordable and can be added to an existing roof. If the roof is made out of copper, the drip edge flashing will most likely also be made out of copper.
Ultimately, buildings that have drip edge flashing installed often have an increased value and curb appeal. If a building does not have this flashing, the owners should contact an experienced roofer for advice.