US2013164524A1PendingUtilityA1

Construction boards with coated facers

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Assignee: LETTS JOHN BPriority: Apr 14, 2010Filed: Apr 14, 2011Published: Jun 27, 2013
Est. expiryApr 14, 2030(~3.8 yrs left)· nominal 20-yr term from priority
Inventors:John B. LettsMichael VallTimothy L. Bergwall
B32B 5/18B32B 2266/0214B32B 5/245B32B 2255/26B32B 27/40B32B 2307/50B32B 23/08B32B 2266/0278B32B 2307/7246E04C 2/296E04C 2/24Y10T428/249991B32B 2262/062B32B 2307/732Y10T428/249987B32B 2262/067B32B 3/266B32B 2307/3065B32B 2307/73B32B 2255/02E04C 2/246
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Claims

Abstract

A construction board comprising a foam layer and at least one coated facer, where the at least one coated facer includes a substrate and a coating.

Claims

exact text as granted — not AI-modified
1 . A construction board comprising:
 a foam layer; and   at least one coated facer, where the at least one cellulosic coated facer includes a substrate and a coating.   
     
     
         2 . The construction board of  claim 1 , wherein said coating is adhered to said substrate. 
     
     
         3 . The construction board of  claim 1 , wherein said foam layer includes at least one planar surface and said coated facer is attached to said at least one planar surface. 
     
     
         4 . The construction board of  claim 1 , wherein said coating is situated on a side of said substrate  22  opposite said foam layer. 
     
     
         5 . The construction board of  claim 1 , wherein said substrate is a cellulosic substrate. 
     
     
         6 . The construction board of  claim 1 , wherein said coating includes a water-repellant composition. 
     
     
         7 . The construction board of  claim 1 , wherein said foam layer includes a polyisocyanate foam having an ISO index of at least 200. 
     
     
         8 . The construction board of  claim 1 , wherein said substrate is substantially devoid of fiberglass. 
     
     
         9 . The construction board of  claim 1 , wherein said coating includes a binder and a filler. 
     
     
         10 . The construction board of  claim 1 , wherein the coating includes a synthetic polymer. 
     
     
         11 . The construction board of  claim 1 , wherein the coating has a thickness of at least 0.005 mm and less than 1.5 mm. 
     
     
         12 . The construction board of  claim 1 , wherein the coating has a thickness of at least 0.09 mm and less than 0.1 mm.

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