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Wilmington Roofing: Article About Roof Weatherproofing

The Roof Maker: Professional Roofing Contractors in Wilmington NC
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The most essential purpose of a roof is to protect a house from the elements. For the roof to stand up against snow, wind, rain and hail, the roofing system has to perform well. Why do some roofs hold up better than others do? Much of it has to do with individual weatherproofing elements of the roof, in particular the underlayment and flashing.

A roof's underlayment is the layer that is over the plywood decking that gives the roof its structure, and beneath the outermost layer, which is usually shingles or tiles. Underlayment is often black tar paper that contains asphalt. Tar paper is fairly inexpensive and simple for Wilmington roofing professionals to install; however, it's prone to problems such as curling and insufficient sealing at the seams.

Peel and stick underlayments are an option that were specially created to solve the problems that are common with tar paper. As the name suggests, peel and stick underlayments don't require nails. With fewer penetrations in the roof surface, the roof will have a higher resistance to water. Peel and stick underlayments are flexible and install quickly in tricky areas like roof valleys and ridges. This type of material is also resistant to tearing. The downside to this layer of waterproofing is that it will decrease the amount of airflow through the roof's surface, so it's imperative that there's sufficient ventilation in the attic.

The roofing contractors at The Roof Maker of Wilmington NC can assist you with any questions regarding flat membrane roofing or metal roofing.

Flashing is another ally for the roof owner. It's especially crucial in the most vulnerable areas of the roof, particularly the areas around any roof penetrations such as chimneys and vents and in roof valleys that have to hold up against concentrated water flow.

Flashing comes in a variety of materials including plastic and rubber, but the most tested and resilient material is rust resistant metal such as galvanized flashing, lead coated copper and stainless steel. Kick out flashing at the edges of the roof serves to direct water away from the building. Step flashing that's installed in a way that's integrated with the shingles provides excellent protection against water. Step flashing is installed on the entire roof and prevents water from entering the home once it gets beneath the outer layer of shingles or tiles.

The outermost layer of shingles also plays an integral role in the performance of any roofing system. This layer should be chosen not only for its aesthetic appearance but also to provide optimal protection for the home's particular climate and roof shape. It makes sense to consult with a professional roofer to help select the best roofing materials for the home.

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