Nova Patents
AT315697T

Roofing composite

Abstract

A roofing system having a multiplicity of courses of roofing shingles and interply material comprising at least one course of interply material overlapping at least about ten percent of a first course of shingles and a second course of shingles overlapping at least a portion of the interply material and the first course of shingles. More than about 40% of the first course of shingles is exposed after installation. The roofing system has a class A fire resistant rating. Roofing shingles having particular utility in the roofing system of the present invention are also disclosed. In preferred embodiments the shingles have an exposure width of at least about 60% of the shingle, more preferably at least about 64% of the width of the shingle.

Term

Term ended

Expired 2 August 2022, 4.1 years ago.

  1. Priority
  2. Filed
  3. Granted
  4. Expired
  5. Today

142 members in 8 offices

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Priority claims
DocumentOfficeKindDate
31003101United States of AmericaP
33180801United States of AmericaP

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