Roofing underlayment isn’t often evident, and you might not ever hear of it! But, it’s an essential part of every roofing system. Roofing underneath is waterproof and a waterproof membrane that serves as a barrier against snow, rain, and winds. It also helps to keep moisture out. Roofers put it directly onto your roof deck, and then underneath the other roofing materials. A lot of roof regions require roofing underlayment. The fact is, shingles are not enough to safeguard your roof deck by themselves.
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