The QuelStop sealant and ablative range covers the wet-applied end of Quelfire’s firestopping system, giving you a graded choice for linear joints, gap seals and service penetrations. QSS is a water-based intumescent acoustic acrylic for linear joints and gaps, QHPE is a high-expansion graphite mastic for tougher penetrations including plastic and metallic pipes, and QSC is a brush-applied ablative coating used to reinstate the QuelStop Fire Batt where it has been cut or damaged. All three are tested to the current European fire test standards and classified to EN 13501-2.
- QSS Intumescent Acoustic Acrylic Sealant, 310ml cartridge or 600ml foil
- QHPE Intumescent Graphite Sealant, 310ml cartridge
- QSC QuelStop Ablative Coating, 5kg tub
Technical documents
Quelfire publish the technical data sheet, declaration of performance and safety data sheet for this product on their own site, where the current revision is always shown. Quelfire technical documents


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