CPC C04B 38/10 (2013.01) [C04B 28/14 (2013.01); C04B 2111/0062 (2013.01)] | 21 Claims |
1. A gypsum board comprising:
a gypsum layer formed from a gypsum slurry having a composition comprising:
calcined gypsum;
water;
an aqueous foam; and
a first thickening agent comprising a polyacrylamide;
wherein the calcined gypsum is present in the gypsum slurry in an amount of from 548 to 1180 lbs/msf, and
wherein the gypsum board has a thickness of ½″.
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