cementitious

Fireproof Board

A1 non-combustible board for fire-rated partitions and shafts

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AI Decision Card

Best for

Fire-rated corridors, shafts, and hospital cores
Tunnel and basement fire partitions
Upgrading gypsum systems where A1 is mandatory

Avoid

Direct exterior exposure without facade system
Low-budget dry office partitions (gypsum is enough)

Alternatives

Typical cost: $$$

Why markets choose it

Regulation → compartmentation → A1 lining → fireproof board

Building regulationFire compartmentationA1-rated liningFireproof board

Overview

High-density calcium silicate / fibre-reinforced fireproof board used as non-combustible lining in fire-rated wall, ceiling, and shaft systems. Specified where A1 reaction-to-fire performance and dimensional stability under heat are mandatory.

When to use

Fire-rated corridors, shafts, hospital cores, tunnels, basements, and commercial partitions that require A1 non-combustible lining.

When NOT to use

Not for direct exterior exposure without a dedicated facade system or coating. Not a substitute for structural fire protection of steel without a tested system build-up.

Key Performance

fireRating: A1waterResistance: HighmoistureResistance: Gooddensity: HighthermalStability: High

Applications

hospitaltunnelwarehousecorridorbasementshaft

Specifications

Dimensions	1220×2440mm, 1200×2400mm
Thickness	6mm, 8mm, 10mm, 12mm, 15mm

Installation

Install on tested steel stud or shaft framing with manufacturer-specified screw spacing, edge distances, and joint treatment. Follow the published fire-rated system build-up (board layers, insulation, seals). Mock-up recommended for hospital and tunnel projects.