The Right Part On Time, Every Time

The Right Part On Time, Every Time

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High Temperature Products

From Fiberglass to Ceramics and More, We Have the High Temp Gasket Material You Need

When dealing with extreme temperatures, using the right gasket, tape, or other material can ensure the difference between success and failure. At Beacon Gasket & Seals, our more than 200 years of experience on staff have led to unmatched expertise in applying high temp gasket material. From paper or woven gasket materials to heat-resistant ropes and tapes, we provide the solutions you require for your specific application.

With fiberglass materials suitable for applications up to 1500°F and Ceramics able to withstand application temperatures of up to 2300°F, we offer high temp gasket material capable of tackling the most difficult circumstances. Our materials are used for products that service a diverse range of Industrial and Marine applications, and we have the capability to custom fabricate the material for unique situations.

Learn more about all of our products and affiliated manufacturers, like Garlock, in our resources section. Feel free to contact our sales team to learn more about the specifics of any of our engineered gasket and sealing solutions.

High Temp Gasket Material Selection

Ceramic Millboard

  • Suitable for boiler door gasketing and insulation
  • Available in thicknesses from 1/16” to 1/2 ”
  • Available in 55” square sheets

Ceramic Papers & Felts

  • Insulation and gasketing applications
  • Various thickness and density


Our fiberglass ropes are resistant to temperatures of up to 1000°F, and come in Round Knitted, Round Twisted, Round Braided, and Square Braided varieties. Our ceramic ropes come in Round Braided and Square Braided styles; both are resistant up to temperatures of 2300°F. Both kinds usable in an array of applications including:

  • Door seals
  • Gasketing
  • Metal wipes
  • Packing
  • Tadpole tape cores


High temp gasket material can also be used for heat-resistant tapes that are essential in the implementation of several applications, including:

  • Electrical insulation
  • Gasketing
  • Oven door seals
  • Pipe and Hose wrapping
  • Pipe hangers
  • Thermal insulation

Tadpole Tape

Offered in a wide range of compression loads necessary for door seals, tadpole tape comes in a range of custom fabrications to your specific size and used to serve different specific purposes and applications:

  • Fiberglass or ceramic cloths
  • Rubber impregnated cloths
  • Solid rope cores
  • Metal mesh cores
  • Hollow wire cores