Light weight gypsum fiber panel suitable for use as roof cover board

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United States of America Patent

PATENT NO 9950957
APP PUB NO 20170107152A1
SERIAL NO

15087539

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A roof cover board made from a mixture of 30-60% stucco; 20-50% perlite; 10-30% cellulose fiber; 3-20% starch; and siloxane. Also disclosed is a stucco-free roof cover board made from a mixture of 30-60% perlite, 30-60% cellulose fiber, 5-25% starch; and siloxane. Also disclosed are methods for making same.

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Patent Owner(s)

Patent OwnerAddress
UNITED STATES GYPSUM COMPANY550 WEST ADAMS STREET CHICAGO IL 60661

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Stivender, Eugene S Yorkville, US 1 5
Xu, Yufeng Gurnee, US 28 287

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