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Roofing Ice and Water Shield

Roofing Ice & Water Shield

When it comes to roof replacements, one of the most important aspects to consider is how to properly protect the valleys of the roof. Valleys are the areas where two sections of the roof meet at an angle, creating a channel for rainwater to flow down and away from the roof. In order to properly protect these areas, it's important to use ice and water shield.

Ice and water shield is a type of roofing underlayment that is designed to protect against water infiltration in areas of the roof that are prone to leaks. It is typically made of a self-adhering rubberized asphalt material that is applied directly to the roof decking before the shingles are installed. In the case of valleys, it is applied along the valley itself to create a watertight seal.

Using ice and water shield in valleys is important for a few key reasons. First and foremost, valleys are one of the most vulnerable areas of the roof when it comes to leaks. Because they are essentially channels for rainwater to flow down, they are more susceptible to water infiltration if the seal is not properly maintained. Ice and water shield provides an extra layer of protection to ensure that water does not seep in and cause damage.


In addition to protecting against leaks, ice and water shield can also help to prevent ice dams from forming in the valleys during the winter. Ice dams occur when snow on the roof melts and refreezes at the eaves, causing water to back up and potentially leak into the home. By providing an extra layer of protection in the valleys, ice and water shield can help prevent this from happening.

Finally, using ice and water shield in valleys can help to prolong the lifespan of the roof itself. By preventing water infiltration and protecting against ice dams, it can help to reduce the amount of damage that the roof is exposed to over time. This, in turn, can help to extend the life of the roof and reduce the need for repairs or replacements in the future.

In conclusion, using ice and water shield in valleys is an essential component of any roof replacement project. It provides an extra layer of protection against leaks, ice dams, and other potential damage, helping to ensure the long-term health and durability of the roof. So if you're planning a roof replacement, be sure to discuss the use of ice and water shield with your roofing contractor to ensure that your roof is properly protected for years to come.


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