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Lofted mat for shingles

  • US 7,827,753 B2
  • Filed: 12/30/2006
  • Issued: 11/09/2010
  • Est. Priority Date: 06/30/2003
  • Status: Active Grant
First Claim
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1. A roofing shingle comprising:

  • a unitary mat having a densified surface layer;

    a layer of asphalt-based material coating the unitary mat; and

    a layer of granules deposited on the asphalt-coated mat;

    wherein the densified surface layer has regions of varying density;

    wherein the variations in the density of the regions of the densified surface layer of the unitary mat give the shingle differences in thickness thereby giving the shingle an appearance of depth.

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