Fire Resistance Minutes
118 minutes for standard timber frame party walls.
138 minutes for Lightweight Gauge Steel (LGS) frame systems.
Reaction to Fire BS476 Standard
Evaluated and classified as Euroclass A1, replacing BS 476 with a definitive non-combustible standard.
Reaction to Fire Euro Class
Class A1 Non-Combustible
Material
High-density pressed Portland cement composite
Usage
A durable, high-strength, multi-purpose board for heavy internal and permanent external use. Ideal as an A1 non-combustible fireplace backer, impact-resistant partition, tile substrate, external sheathing, or stabilising render carrier.
Coverage
2.88 m2 per board
Thermal Conductivity
0.2415 W / mK
Thermal Resistance R Value
0.0493 m2K / W
Heat Loss U Value
20.28 W / m2K
Certifications Met
BS EN 12467:2016 + A1:2016