Description:
High-performance and efficient, Fosters Fireflex 30-52 Sprayable Encapsulant is designed for rapid coverage of large surface areas.
Widely used as an asbestos encapsulant, it also acts as a vapour barrier and weatherproof coating for insulated pipework, equipment and HVAC systems.
Formulated as a flexible co-polymer emulsion, it provides a durable, elastomeric finish that protects against moisture, UV exposure and environmental conditions.
Key Features
• Multi-purpose coating and asbestos encapsulant
• Designed for spray application
• Fire resistant (BS 476 Parts 6 & 7)
• Elastomeric – accommodates movement
• Low vapour permeability for moisture protection
• Solar reflective for UV resistance
• Fungal resistant and weatherproof
• Suitable for internal and external use
• Supplied in 10L polybucket (White)

Applications
• Asbestos encapsulation
• Vapour barrier for insulation systems
• Pipework, ducting and HVAC
• Fire protection materials and fire batts
• Roofing and weatherproofing

Coverage (2 coats recommended)
• Smooth surfaces: 3 – 4.5 m² per litre
• Porous surfaces: 1.5 – 3 m² per litre

Specifications
• Base: Co-polymer emulsion
• Application Method: Spray (brush also possible if required)
• Application Temperature: +5°C to +50°C
• Service Temperature: -30°C to +80°C
• Drying Time: Touch dry ~2 hours / Full cure ~12 hours
• Moisture Vapour Permeability: 0.11 perms
• Fire Performance: Non-flammable (wet), Class 0 (dry)
• Average Weight: 1.35 kg/l
• Storage Life: 6 months (5°C–30°C, unopened)