Mineral fiber roof cover boards

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11111174
APP PUB NO 20190077700A1
SERIAL NO

15988974

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Composite roofing structures can include mineral fiber roof cover boards with high concentration of mineral wool or mineral wool and perlite. The roofing structure may include: a roof cover board including a dried base mat including: 8-25% mineral wool, 40-65% perlite, 9-15% binder, 9-15% cellulosic fiber, and 0.25-2% sizing agent, all % by weight; an insulation layer; and a roofing membrane. The roof cover board is over the insulation layer, the roofing membrane is over the roof cover board. The roof cover board is attached to the insulation layer. The roofing membrane is attached to the roof cover board. Alternatively dried base mat may include: 30-70% mineral wool, 10-50% perlite, 5-15% binder, 2-20% cellulosic fiber, and 0.25-2% sizing agent. Alternatively the dried base mat may include: 60-90% mineral wool, 0-10% fiber, 0-10% perlite, 4-10% binder, 0-5% gypsum, and 0.25-2% sizing agent.

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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
Hough, Michael J Beach Park, US 2 15
Hutchinson, Derrick Mundelein, US 2 15
Rokke, Christopher J Saginaw, US 1 15
Tuttle, Lori Orland Park, US 3 15
Xu, Wei Vernon Hills, US 934 8439

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