Different Types of Roofing Underlayment

“Different types of roofing underlayment”     The roof underlayment or most commonly known as “felt paper” is the first layer of waterproofing materials that goes before the shingles or roofing materials. It is mainly a roll of paper or fiberglass saturated with asphalt and other waterproofing materials.

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Roofing Terminology

These are some of the most common roofing terms ASPHALT A bituminous waterproofing agent applied to roofing materials during manufacturing. BACK SURFACING Fine mineral matter applied to the back side of shingles to keep them from sticking. BASE FLASHING That portion of the flashing attached to or

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