Reinforcement Sheet to Reinforce a Cementitious Board
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United States of America Patent
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Issued Date -
Dec 13, 2012
app pub date -
Aug 20, 2012
filing date -
Jun 3, 2009
priority date (Note) -
Abandoned
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Abstract
A cementitious board and a reinforcement sheet for the board includes, a water vapor porous layer of glass fibers bonded together by a cured binder, and a hydrophilic coating material being mobile in slurry water to wet the binder coated glass fibers and spread a slurry of a cementitious compound, and the hydrophilic coating material being volatile to dissipate by evaporation at an elevated temperature at which the cementitious compound dries to form a dried cementitious board having both the cementitious compound and the binder coated glass fibers essentially free of the hydrophilic coating material.
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