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Fiber reinforced building products and method of producing same

  • US 4,261,754 A
  • Filed: 05/04/1978
  • Issued: 04/14/1981
  • Est. Priority Date: 05/05/1977
  • Status: Expired due to Term
First Claim
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1. A method of manufacturing a building product comprising mixing a slurry of an inorganic binding agent as a matrix and a plurality of fibrous reinforcing elements at least a portion of which are flexible, organic oriented polyolefin fibers, each having a weight about from 2 to 35 denier and having cross sections which vary along its length and polyolefin fibrils extending from surface portions thereof, and permitting said slurry to set after forming or moulding.

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