A roofing assembly having a substrate covered with a base sheet (10) which i s perforated with a plurality of uniformly spaced clusters (12 ,12', 12") of vertical apertures designed to receive an adhesive to bond the base sheet to the substrate. The roofing assembly possesses improved wind uplift resistance.
申请公布号
CA2313222(C)
申请公布日期
2007.09.18
申请号
CA19992313222
申请日期
1999.01.08
申请人
BUILDING MATERIALS CORPORATION OF AMERICA
发明人
GRAZMAN, BRENT L.;LEE, WILLIAM D.;WOODRING, WILLIAM J.;ALBO, HAROLD C., JR.;KUBIAK, MIRA C.
