NBS Source
MASTERBOARD®

Application

Multi-purpose internal and semi-exposed applications including:

  • Partitions;
  • Wall and roof linings;
  • Door upgrades;
  • Soffit, porch or canopy linings;
  • Integral garage ceilings;
  • Swimming pool ceilings;
  • Tile backing;
  • Boiler and airing cupboard linings;
  • Wet rooms;
  • Service duct and pipe covers.

Description

Calcium silicate board reinforced with selected fibres and fillers. It is formulated without inorganic fibres and does not contain formaldehyde. MASTERBOARD® is off-white in colour and has a smooth finish on one face with a sanded reverse face. It can be left undecorated or can be easily decorated with paints, wallpapers or tiles. It is resistant to the effects of moisture, will not physically deteriorate when used in damp or humid conditions and can withstand temperatures up to 80°C and frequent temperature changes.


Features and benefits:

  • Up to 30 minutes' fire resistance.
  • Suitable for areas of high humidity.
  • Versatile: Multi-purpose internal and semi-exposed applications.
  • A1 non-combustible to EN 13501-1.
  • Limited combustibility.
  • BBA certified.


Technical characteristics:


  • Bending strength, longitudinal: 4.5 N/mm².
  • Tensile strength, longitudinal: 0.99 N/mm².
  • Compressive strength (perpendicularly to the board surface): 9.3 N/mm².
  • Moisture content: Minimum 6%.
  • Thermal conductivity at 20°C (approx.): 0.22 W/m·K.

General information

Color

White

Off-white.

Finish

Smooth

Sanded

Material

Calcium silicate

Shape

Rectangle

Size

2440 x 1220 mm

WarrantyDescription

Etex Building Performance Limited warrants that our passive fire protection products and component parts, when installed in the building originally designed, built and unaltered in accordance with the conditions and procedures set out in Promat Passive Fire Protection Handbook, this specification document and associated CAD drawings; and any specific technical recommendations made in relation to the above project, shall be durable and free from defects due to faulty manufacturing or factory workmanship. The system must be installed by a 3rd party accredited fire protection contractor, and where included in the specification, solely with proprietary products and components as supplied by Etex Building Performance Limited. The scope of this warranty will be dependent on the application and the environment in which the products are being installed.

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Uniclass 2015

Pr_25_71_80_24 Fibre-reinforced calcium silicate fire protection boardsPrimary

CAWS

K11/60 Board

K11/795 Wall lining on metal framing

K11/885 Fire protection board

K40/135 Board-suspended ceiling system

K40/270 Boards

M40/27 Intermediate substrate

M40/470 Intermediate substrate

P12/310 Boards

Specification data - Fibre-reinforced calcium silicate fire protection boards Enhanced data

Standard

To BS 476-20, BS 476-22.

Class 1 surface spread of flame, in accordance with Building Regulations, Approved Document B, Class 0.

Fire rating

Non-combustible with a reaction to fire Classification of A1 according to BS EN 13501-1.

Density

975 kg/ m³.

Thickness

6 mm.

9 mm.

12 mm.

Edges

Square.

Rebated.

9 mm-thick boards only.

Colour

Off-white.

Execution

Consult manufacturer for options based on application and insert requirements.

Weather resistance:

Semi-exposed/ resistant to the effects of moisture.

Manufacturer's standard.

Finish as delivered

Smooth finish on one face with a sanded reverse face.

Board size

2440 x 1220 mm.

Sealant

PROMASEAL® intumescent sealant.

Accessories

Consult manufacturer for options based on application and insert requirements.

Environmental information

Contains Red List materials

No

Country of material origin

China

Recyclability

Recycle as crushed aggregate.

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Literature

The Passive Fire Protection Handbook: Chapter 2 - User Guide

The Passive Fire Protection Handbook: Chapter 2 - User Guide

The Passive Fire Protection Handbook: Chapter 4 - Ceilings, Floors and Roofs

The Passive Fire Protection Handbook: Chapter 4 - Ceilings, Floors and Roofs

The Passive Fire Protection Handbook: Chapter 5 - Partitions and External Walls

The Passive Fire Protection Handbook: Chapter 5 - Partitions and External Walls

The Passive Fire Protection Handbook: Chapter 8 - Smoke Barriers and Doors

The Passive Fire Protection Handbook: Chapter 8 - Smoke Barriers and Doors

30 min SUPALUX and MASTERBOARD Upgrade to Timber Doors - Integrity Only

30 min SUPALUX and MASTERBOARD Upgrade to Timber Doors - Integrity Only

Masterboard Technical Data Sheet Swimming Pools

Masterboard Technical Data Sheet Swimming Pools

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