Promat Masterboard Fire Rated Board 2440x1220mm delivers reliable fire resistance with added moisture tolerance, making it ideal for soffits, garage ceilings, and semi-exposed areas. This board provides up to 30 minutes of protection and holds an A1 non-combustible rating under EN13501-1.

The Masterboard Fire Rated Board is smooth on one face and sanded on the reverse, ready for paint, tiles, or wallpaper. It holds up well in humid zones and is built for areas with regular temperature changes. Available in 6mm, 9mm, and 12mm thicknesses.

View full specifications and certifications on the Promat MASTERBOARD product page.

Key Features

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Promat

Promat Masterboard Fire Rated Board 2440x1220mm

£76.00
A1-rated moisture-resistant fire board. Ideal for soffits, partitions, and garage ceilings.

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Promat Masterboard Fire Rated Board 2440x1220mm delivers reliable fire resistance with added moisture tolerance, making it ideal for soffits, garage ceilings, and semi-exposed areas. This board provides up to 30 minutes of protection and holds an A1 non-combustible rating under EN13501-1.

The Masterboard Fire Rated Board is smooth on one face and sanded on the reverse, ready for paint, tiles, or wallpaper. It holds up well in humid zones and is built for areas with regular temperature changes. Available in 6mm, 9mm, and 12mm thicknesses.

View full specifications and certifications on the Promat MASTERBOARD product page.

Key Features

  • EN13501-1 A1 non-combustible fire-rated board
  • Ideal for soffits, garage ceilings, and partitions
  • Moisture and humidity resistant
  • For internal and semi-exposed builds
  • Available in various thicknesses

Description

Promat Masterboard Fire Rated Board 2440x1220mm delivers reliable fire resistance with added moisture tolerance, making it ideal for soffits, garage ceilings, and semi-exposed areas. This board provides up to 30 minutes of protection and holds an A1 non-combustible rating under EN13501-1.

The Masterboard Fire Rated Board is smooth on one face and sanded on the reverse, ready for paint, tiles, or wallpaper. It holds up well in humid zones and is built for areas with regular temperature changes. Available in 6mm, 9mm, and 12mm thicknesses.

View full specifications and certifications on the Promat MASTERBOARD product page.

Key Features

  • EN13501-1 A1 non-combustible fire-rated board
  • Ideal for soffits, garage ceilings, and partitions
  • Moisture and humidity resistant
  • For internal and semi-exposed builds
  • Available in various thicknesses

Payment & Security

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Certified Performance in Fire Safety

MASTERBOARD is rated A1 under EN13501-1, offering dependable resistance during fire exposure. Use it for soffits, garage ceilings, or risers where up to 30 minutes of protection is required.
Install early without compromising build speed. These boards are easy to fix with common tools and support fast completion of fire-rated zones.

Built for Humid and Semi-Exposed Zones

MASTERBOARD does not swell, deteriorate, or lose strength in damp environments. Use in porches, canopies, or unheated garages without affecting performance.

Multi-Surface Finishing Options

Apply wallpaper, paint, or tiles directly to the board’s smooth face. The surface is pre-sanded for easy prep, reducing finishing time on site.

Fire-Rated Versatility for Internal Fit-Outs

From integral garage ceilings to wall linings, MASTERBOARD adapts to various project specs with fire and moisture resistance in one build-up.

Trusted and Certified

Promat MASTERBOARD holds BBA Certificate 18/5593 and has proven long-term reliability. Boards are tested, stable, and ready for site use across the UK.

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Promat Masterboard Fire Rated Board 2440x1220mm - Armstrong Cheshire
Promat

Promat Masterboard Fire Rated Board 2440x1220mm

From £76.00

Promat Masterboard Fire Rated Board 2440x1220mm delivers reliable fire resistance with added moisture tolerance, making it ideal for soffits, garage ceilings, and semi-exposed areas. This board provides up to 30 minutes of protection and holds an A1 non-combustible rating under EN13501-1.

The Masterboard Fire Rated Board is smooth on one face and sanded on the reverse, ready for paint, tiles, or wallpaper. It holds up well in humid zones and is built for areas with regular temperature changes. Available in 6mm, 9mm, and 12mm thicknesses.

View full specifications and certifications on the Promat MASTERBOARD product page.

Key Features

Size

  • 6mm
  • 9mm
  • 12mm
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