Underlayment for tile surface
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United States of America Patent
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-
Nov 10, 2009
Grant Date -
May 11, 2006
app pub date -
Oct 26, 2004
filing date -
Oct 26, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fiber-reinforced pultruded underlayment for ceramic tile includes a thin base with a plurality of elongated ridges. The underlayment is in the form of planks having interlocking tongue and groove edges. The elongated ridges have a narrow base and a wider distal portion wherein the areas between adjacent ridges have a trapezoidal cross sectional configuration. Tile is adhered to the surface using a rigid cementitious or epoxy adhesive which fills in the trapezoidal area creating a very rigid support structure for the ceramic tile.
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Cited Art Landscape
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