B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/114, 154/69,
B32B 13/14 (2006.01) E04C 2/04 (2006.01) E04C 2/26 (2006.01)
Patent
CA 1308344
ABSTRACT A backer board for use as a base to which ceramic tile is bonded for a bathtub or shower area, in which the board is made by forming a gypsum core board with fiber glass laminated composite facings, which include an inner fiber glass scrim, an outer fiber glass nonwoven matte and an acrylic film, which film is formed of an acrylic latex of a class commonly employed as an ingredient in Portland cement mortar for applying ceramic tile.
596773
National Gypsum Company
Osler Hoskin & Harcourt Llp
LandOfFree
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