Intumescent Material2019-06-19T15:41:08-04:00

INTUFX™(Intumescent Fire Expandable) Legacy Rubber’s intumescent material expands rapidly when exposed to heat or high temperatures. This stops fire expansion through the gaps around doors. Type #3 expands up to 30 times and Type #4 expands up to 120 times.

Other expansion rates and material sizes are available! Please contact us for other non-standard option.

Purchase Intumescent in sheets,
custom cut or by our popular sizes below.

  • Standard Color is Red
  • INTUFX Type #4 – 120 times expansion
  • Environmentally Safe, Minimal Carbon Footprint
  • Used in Fire applications
  • Adhered to Galvanized Steel Sheet during formation, without the use of flammable adhesive bonds.
  • Option to adhere to Wood.

INTUFX™
Type #3

30X expansion

  • Used in Fire/Acoustical applications
  • INTUFX™ Type #3 – 30 times expansion
  • Environmentally Safe, Minimal Carbon Footprint
  • Standard Color is Black (BK). Available in Red (RD).
  • Optional Pressure Sensitive Adhesive – Specify PSA.

13212 Intumescent

Specification Sheet

13244 Intumescent

Specification Sheet

13212 Intumescent

Specification Sheet

13244 Intumescent

Specification Sheet

13219 Intumescent

Specification Sheet

13319 Intumescent

Specification Sheet

INTUFX™
Type #4

120X expansion

  • Used in Fire applications
  • INTUFX™ Type #4 – 120 times expansion
  • Environmentally Safe, Minimal Carbon Footprint
  • Standard Color is Black (BK). Available in Red (RD).
  • Optional Pressure Sensitive Adhesive – Specify PSA.
  • Optional – Laminated to wood, aluminum, steel or other solid materials.

14212 Intumescent

Specification Sheet

14244 Intumescent

Specification Sheet

14212 Intumescent

Specification Sheet

14244 Intumescent

Specification Sheet

14219 Intumescent

Specification Sheet

14312 Intumescent

Specification Sheet

Electrical Box Intumescent Inserts

120X expansion

  • Used in Fire applications
  • Standard Color is Red (RD). Optional Black (BK)
  • INTUFX Type #4 – 120 times expansion
  • Environmentally Safe, Minimal Carbon Footprint
  • Electrical Box not included
  • 1/8″ Thickness or 1/4″ Thickness
  • Up to 90 minutes Fire Rated

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Specification Sheet

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Specification Sheet

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Specification Sheet

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Specification Sheet
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