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Shingle Underlayment

What function does shingle underlayment serve?

An underlayment, commonly known as roofing felt, will:

  • Protect the roof deck from moisture prior to shingle application
  • Provide a degree of backup protection in the event water gets under roofing shingles.

Some local building codes and UL standards require that a shingle underlayment be installed. Also, some manufacturers offer a special underlayment product which prevents leaks caused by water backup from ice dams—a common condition in many winter snow areas. Protection against ice dams can be obtained by using a waterproofing shingle underlayment at the eaves or lower edges of the roof, in addition to installing adequate ventilation and proper insulation in the attic floor.

If you want quality & good price, Dzen Roofing is it.Maureen T.
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