6mm Promat MASTERBOARD Calcium Silicate Fire Board

6mm MASTERBOARD® Calcium Silicate Board is a high-performance, non-combustible building board designed for applications requiring excellent moisture resistance, durability and a smooth decorative finish. Manufactured from calcium silicate and reinforced with selected fibres and fillers, the 6mm MASTERBOARD® is formulated without inorganic fibres and contains no added formaldehyde, making it a reliable choice for both residential and commercial projects.

At just 6mm thick, this versatile calcium silicate board is ideal for internal wall linings, ceiling applications, partition systems and areas where a thin, durable and moisture-resistant board is required. The board features an attractive off-white finish with a smooth face and a sanded reverse, allowing it to be left undecorated or easily finished with paint, wallpaper, ceramic tiles or other decorative coverings.

Specification

Width: 1220mm Length: 2440mm Coverage: 2.98m2 Density: 1000kg/m3 Weight/m2: 6kg Weight: 17.88kg Thermal Conductivity: 0.22W/mK R-Value: 0.03m2K/W Compressive Strength: 7000kPa Fire Rating (Reaction to Fire): A2(Limited combustibility) Fire Protection (Resistance to Fire): 30minutes Moisture Content Min (%): 6% Bending Strength Longitudinal (N/mm²): 4.5 N/mm² Tensile Strength Longitudinal (N/mm²): 0.99 N/mm² Compressive Strength (N/mm² perpendicularly to the board surface): 9.3 N/mm²

Applications

Internal partition walls and dividing systems Internal wall linings and roof linings Soffits, porches and canopy linings Integral garage ceilings Residential, commercial and industrial building projects Certified under BBA Agrément Certificate No. 18/5593

Key Benefits

Provides up to 30 minutes of fire resistance when installed in approved systems Suitable for high-humidity and damp environments Ideal for a wide range of internal and semi-exposed applications Euroclass A1 Non-Combustible in accordance with EN 13501-1 Excellent moisture resistance with long-term dimensional stability Limited combustibility for enhanced fire safety Smooth surface ready for painting, wallpapering or tiling BBA Certified for quality and performance Easy to cut, install and finish Formaldehyde-free formulation with no inorganic fibres

Designed to perform in challenging environments, the 6mm MASTERBOARD® is highly resistant to moisture and humidity, meaning it will not physically deteriorate when exposed to damp conditions. It also offers excellent thermal stability, withstanding temperatures of up to 80°C and frequent temperature fluctuations without compromising its strength or performance.

Whether you're working on a new build, renovation or commercial fit-out, 6mm MASTERBOARD® Calcium Silicate Board provides a dependable, easy-to-finish solution for projects requiring a durable, moisture-resistant and non-combustible construction board.