Fiberglass Pipe Covering


Owens Corning® SSL II® with ASJ Max Fiberglas™ pipe insulation is molded of heavy-density resin-bonded inorganic glass fibers that come in one-piece, 36-inch-long (914 mm), hinged sections. The insulation is tailored to fit for copper and iron pipe applications.


  • • ASJ Max is an all-service jacket with a polymer film exterior surface that is smooth, durable, cleanable, wrinkle-resistant, resists water staining, and doesn’t support mold or mildew growth1
  • • ASJ Max can resist short durations of water exposure that may occur during construction • SSL II® Positive Closure System is an advanced double adhesion that fastens and installs with no need for staples or mastic
  • • Insulation is tailored to fit with:
    • • a flexible core to compress over copper and some small-bore iron pipes and fittings, saving time by eliminating the need to fillet
    • • a rigid core for fast and easy fabrication on larger pipes
  • • The product has a maximum operating temperature of: Flex Core 850°F (454°C); Ridge Core 1,000°F (538°C) (with heat-up schedule)
  • • The product does not contain Polybromodiphenyl ethers (PBDE) (penta-, octa-, or deca-brominated diphenyl)

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