High-performance graphite-based intumescent sealant for cable and pipe penetrations.
The Quelfire QuelStop HPE Graphite Sealant is a CE-marked, high-expansion, acrylic-based sealant designed to reinstate fire performance where services penetrate walls or floors. Offering up to 4 hours of fire protection, it's ideal for use in rigid and flexible walls, floors, and around a wide variety of services including plastic pipes, cable trays, and CPVC systems.
Key Features:
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Provides up to 4 hours fire resistance (EI240)
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Tested to BS EN 1366-3:2009 & BS EN 1366-4:2006
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CE marked and classified to EN 13501-2:2007 + A1:2009
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Suitable for service penetrations through walls and floors
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Works with plastic, metallic & insulated non-combustible pipes
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Compatible with Lubrizol® & Spears® CPVC piping systems
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Ideal for use with QuelStop Fire Batts
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Suitable for linear joints up to 20mm wide
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Remains flexible – excellent for low-movement joints
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Expands up to 20 times its volume at approx. 180°C
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Acoustic rating of Rw(C;Ctr): 52 (-1;-6) dB
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Durable for internal conditions (Type Z¹)
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18-month shelf life (unopened)
Technical Specs:
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Colour: Black
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Size: 310ml tube (25 tubes per box)
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Cure rate: 1.7mm/24 hours
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Skin time: ~15 minutes at 25°C
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Application temperature: +5°C to +40°C
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Air permeability: 11.1/16.7 m³/h/m² at 600Pa–100Pa
Installation:
Surfaces must be clean and dry. Apply using standard mastic gun, compacting sealant to fill the annular space fully. Smooth for a clean finish. Suitable backing materials include PE rod or mineral wool (≥80kg/m³).
Applications:
Ideal for firestopping around cables, trays, ladders, and pipes. Compatible with common piping systems used in fire sprinkler and drainage installations.