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Roofing tile

  • US 4,432,183 A
  • Filed: 04/03/1981
  • Issued: 02/21/1984
  • Est. Priority Date: 04/03/1981
  • Status: Expired due to Term
First Claim
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1. In a flat shingle style concrete roofing tile adapted to be laid over an underlayment in a series of courses on a roof and fastened to said roof by mechanical fastening means, the tile having thickened edges along the front, back and sides molded to the underside of the tile, a front edge and a front portion of the side edges forming a step of reduced thickness relative to an adjacent part of the side edges which is adapted to resist a tile in an upper course from sliding down an inclined roof when engaged with the course immediately below it, a rear portion of said side edges and the back edge being shaped so as to provide an extended bearing surface along the back edges and rear portion of the side edges of the tile when said tiles are lapped in successive courses, and complementary flanges extending from each side of the tile, each flange forming a ridge and a groove, the groove of each tile being adapted to receive the ridge of an adjacent tile, the improvement wherein;

  • said roofing tile further comprises;

    weep holes molded in a bottom surface of said back edge and having beveled areas along said back edge leading into said weep holes, and a sealant being applied at said extended bearing surface, said beveled areas and said sealant being located so as to divert the flow of water through said weep holes and away from said mechanical fastening means and to provide means for draining water which accumulates between the tile and the underlayment, thereby prolonging the useful life of said underlayment.

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