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Siding panel assembly

  • US 10,590,658 B1
  • Filed: 02/22/2019
  • Issued: 03/17/2020
  • Est. Priority Date: 12/21/2018
  • Status: Active Grant
First Claim
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1. A thermoplastic composite sheet for exterior cladding applications, comprising:

  • an outer layer comprising a thermoplastic resin composition reinforced with a filler having an aspect ratio of at least 5 to 1 such that the outer layer has a coefficient of linear thermal expansion of no more than approximately 2.33×

    10

    5
    in/in/deg F., wherein the filler is fiberglass in an amount of between 5% and 20% of the composition;

    a preformed backing panel bonded to the outer layer, the backing panel being substantially rigid and defined by a foam material; and

    a thermoset adhesive disposed between the outer layer and the backing panel to bond the backing panel to the outer layer,wherein the outer layer and the backing panel define a flat body having a flat outer surface, and wherein the thermoset adhesive maintains adhesion between the backing panel and the outer layer and the body maintains the flat outer surface when exposed to a temperature of between 180 degrees and 210 degrees Fahrenheit.

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