Promat MASTERBOARD 12mm Fire Protection Board

The 12mm Promat MASTERBOARD Calcium Silicate Board is a premium-quality construction board developed for projects where fire performance, moisture resistance and long-term durability are essential. Suitable for both residential and commercial applications, this versatile board is commonly specified for internal walls, ceilings, partitions and lining systems that require a reliable, low-maintenance solution.

Manufactured from high-quality calcium silicate with carefully selected reinforcing fibres and fillers, Promat MASTERBOARD contains no added formaldehyde and is produced without inorganic fibres. Its dense, stable composition delivers excellent resistance to moisture while maintaining strength and dimensional stability, even in demanding environments.

With a smooth off-white face and a sanded reverse, the board provides an excellent surface for decorating. It can be painted, wallpapered, tiled or left with its natural finish, making it suitable for a wide variety of internal construction and refurbishment projects.

Product Specifications

1. Brand: Promat Masterboard
2. Thickness: 12mm
3. Width: 1220mm
4. Length: 2440mm
5. Coverage per Board: 2.98m²
6. Density: 1,000kg/m³
7. Weight per m²: 12kg
8. Board Weight: 35.76kg
9. Thermal Conductivity: 0.22W/mK
10. R-Value: 0.04m²K/W
11. Compressive Strength: 9.3N/mm² (9300kPa)
12. Bending Strength (Longitudinal): 4.5N/mm²
13. Tensile Strength (Longitudinal): 0.99N/mm²
14. Fire Classification (Reaction to Fire): A1 Non Combustible EN13501-1
15. Fire Resistance: Up to 30 Minutes
16. Moisture Content Minimum: 6%
17. Certification: BBA Agrément Certificate No. 18/5593 *Fire resistance depends on the complete approved construction system.

Key Features & Benefits

1. High-performance calcium silicate construction board
2. Provides up to 30 minutes of fire resistance within tested systems
3. Euroclass A1 reaction to fire classification
4. Excellent resistance to moisture and humidity
5. Maintains dimensional stability in damp conditions
6. Smooth decorative surface suitable for painting, wallpapering and tiling
7. Easy to cut, handle and install using standard woodworking tools
8. Manufactured without inorganic fibres
9. Contains no added formaldehyde
10. BBA Certified for recognised product quality and performance
11. Suitable for both new-build and refurbishment projects

Typical Applications

The 12mm Promat MASTERBOARD® is suitable for a wide range of internal building applications, including:

• Internal partition walls
• Wall lining systems
• Ceiling and roof linings
• Soffits, porches and canopy linings
• Integral garage ceilings
• Residential developments
• Commercial buildings
• Industrial construction projects

Why Choose 12mm Promat MASTERBOARD?

Whether you're completing a commercial fit-out, upgrading an existing property or constructing a new development, the 12mm Promat MASTERBOARD Calcium Silicate Fire Insulation Board offers a dependable solution where fire performance, moisture resistance and durability are key requirements. Combining excellent workability with a high-quality decorative finish, it is a trusted choice for professional builders, contractors and homeowners seeking a reliable calcium silicate board for internal construction projects.