Fire and water resistant expansion joint system

  • US 9,528,262 B2
  • Filed: 11/13/2014
  • Issued: 12/27/2016
  • Est. Priority Date: 11/20/2008
  • Status: Expired due to Fees
First Claim
Patent Images

1. An expansion joint system, comprising:

  • foam;

    a fire retardant material included in the foam; and

    the expansion joint system accommodates movement when installed between substrates, and wherein the foam including the fire retardant material has a density when installed in a range of about 200 kg/m3 to about 700 kg/m3, and the expansion joint system has an ability to withstand exposure to a temperature of about 540°

    C. at about five minutes, and the foam including the fire retardant material is configured to pass testing mandated by UL 2079.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×