Protecta FR ASF Acrylic is a high-performance, 4-hour rated intumescent sealant designed for firestopping linear joints and service penetrations in walls and floors. Supplied in a convenient multipack (Code: A001–A024), it’s ideal for larger projects or routine maintenance in fire-rated environments.
Formulated to expand and form a robust char when exposed to fire, this sealant also provides excellent acoustic insulation, making it a dual-purpose solution for fire safety and noise control. It adheres to most substrates without primer and is easy to apply, even in vertical joints.
Key Features:
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4-Hour Fire Rating: Tested to BS 476: Part 20 and BS EN 1366-3 for fire resistance and BS EN 1366-4 for joint protection.
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Certified Acoustic Performance: Reduces sound transmission (BS EN ISO 140-3 tested).
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Multi-Size Packs: Available in 290ml, 380ml, and 600ml cartridges for various application needs.
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No Primer Needed: Excellent adhesion to common building substrates without surface priming.
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Flexible Joint Seal: Accommodates up to 7.5% movement; suitable for joints up to 50mm wide.
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Slump-Resistant & Fast Cure: Tack-free within an hour; excellent vertical hold.
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Durable & Paintable: Retains elasticity after curing and can be overpainted for a clean finish.
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Halogen-Free Safety: Low-toxicity formulation with no harmful halogens.
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Multipack Value: Ideal for contractors managing multiple installations or service penetrations.
Use Protecta FR ASF over suitable backing material for optimal joint depth-to-width ratio and long-lasting fire and acoustic protection.