NBS Source
PFC Corofil High Expansion Sealant CHES


Used to reinstate the fire resistance performance of flexible and rigid walls, rigid floors and PFC Corofil Coated Panel where they have been penetrated by cables, cable trays, plastic and insulated metallic pipes.


An acrylic based sealant containing graphite, used to seal around single or multiple services to reinstate the fire performance of concrete floors and flexible or rigid walls for up to four hours. Tested with polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), acrylonitrile butadiene styrene (ABS), cross-linked polyethylene (PEX), multi-layer composite (MLC), copper and steel pipes.

Features and benefits:

  • Tested to EN1366-3:2009
  • Provides up to 240 minutes fire integrity and insulation performance
  • Lubrizol approved
  • Seals around combustible pipes up to 125 mm (PVC, PE, PP, ABS (up to 90 mm) and PEX/ MLC (up to 110mm)).
  • Seals around elastomeric foam and glass wool insulation when it has been used to insulate metallic pipes.
  • Third party certification.

General information



Acrylic based, contains graphite.


Pr_30_31_76_40 Intumescent firestop sealantsPrimary


P12/390 Sealant

Product range


Specification data - Intumescent firestop sealants Enhanced data

Fire performance

Up to four hours (240 minutes).

To EN 1366-3:2009, dependent on substrate and services, consult manufacturer's literature for more information.

Third party certifications

UL Certified

UL Certified

UL-EU Certificate: 01168-CPR

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