6mm Promat Masterboard – Class 0 Fire Protection MR Board

6mm Promat Masterboard Fire Protection Board is a calcium silicate building board reinforced with selected fibres and fillers.

It is designed for use in ceilings, wall linings, canopies, and swimming pools.

With an A1 non-combustible Euroclass rating, it offers up to 30 minutes of fire resistance while withstanding moisture and temperature fluctuations up to 80 °C.

Promat Masterboard is simple to cut, install, and decorate, making it suitable for a wide range of applications.

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Specification:

Thickness: 6mm  

Length: 2440mm

Width: 1220mm    

Board Coverage: 2.98m2

Thermal Conductivity: 0.22 W/mK 

Material: Calcium-Silicate

Dry Board Density: 975 kg/m³

Fire Reaction Class: A1, non-combustible 

Nominal moisture content ambient: 6 %

Flexural Strength Longitudinal: 4.5 N/mm²

Tensile Strength Longitudinal: 0.99 N/mm²

Compressive strength: 9.3 N/mm²

Application: areas of high humidity

Key Features of Promat Masterboard:

 · Fire Performance – Up to 30 minutes fire resistance.

 · A1 Non-Combustible – Compliant with EN 13501‑1.

 · Moisture and Humidity Tolerance – Ideal for high-humidity areas.

 · Suitable for internal and semi-exposed environments such as swimming pools, canopies, and wet rooms.

 · Resistant to damp, mould, warping, decay, and temperature-induced deformation.

 · One smooth side and one sanded reverse – ready to paint, tile, paper, or leave as-is.

 · Easy to Work With – Cuts, drills, and installs like timber.

 · Compatible with standard stud systems; formaldehyde- and asbestos-free.

 · Certified Quality – BBA Certified (No 90/2500).

 · Manufactured under ISO 9001, ISO 14001, and OHSAS 18001 systems.

Masterboard Typical Applications:

 · Partitions and wall linings.

 · Soffits, porches, verandas, canopy undersides.

 · Swimming pool and garage ceilings/walls.

 · Wet rooms, boiler cupboards, and door upgrades.

 · Tile-backing in high-humidity zones.

Why Choose Promat Masterboard®?

 · Multifunctional – Combines fire protection, moisture resistance, and structural versatility.

 · Class 0 compliance – Ideal for UK Building Regulations.

 · Durable and hygienic – Resistant to mould, bacteria, and chemicals.

 · Effortless installation – Works with standard tools and fixings.

 · Certified and sustainable – BBA-approved and eco-conscious.

*Further information may be found in our Downloads section.

Fairly easy access to all PDF files.

Datasheet ǀ Declaration of Performance - DoP ǀ BBA Certificate ǀ Installation Guide ǀ Certificates ǀ Brochure ǀ SPEC Sheet 

*Special Product - Non returnable cancelable.