Description
Product Overview
Gyproc F Multiboard 12.5mm (2400mm x 1200mm) is a high-performance, non-combustible, glass-fibre reinforced gypsum board designed for demanding internal wall, ceiling, and encasement applications. It offers superior fire, impact, and moisture resistance, providing a smooth, paper-free finish ideal for commercial and residential construction environments.
Key Features & Benefits
- Euroclass A1 non-combustible for outstanding fire safety.
- Glass-fibre reinforced gypsum core for high strength and impact resistance.
- Moisture tolerant (Type GM-H2) – suitable for semi-exposed environments such as eaves and canopies.
- Smooth, paper-free surface suitable for direct decoration or skim finishing.
- Lightweight and easy to handle for efficient installation.
- Environmentally responsible – BES 6001 ‘Excellent’ certification.
Applications / Typical Uses
- Ideal for internal walls, ceilings, partitions, and encasements requiring high fire and moisture performance.
- Suitable for commercial and residential projects, including semi-exposed areas like eaves and carports.
- Provides a robust substrate for decorative finishes in high-traffic or high-specification environments.
Installation & Handling
- Store boards flat on a level surface, protected from moisture and weather.
- Fix boards using suitable screws at maximum 300mm centres, keeping at least 13mm from edges.
- Stagger joints between boards and fix from the centre outward for stability.
- Joint and finish using EN 13963-compliant materials or British Gypsum system recommendations.
Compliance & Certification
- Manufactured in accordance with EN 15283-1:2008 + A1:2009 (Type GM-F / GM-H2).
- Reaction to fire classification: Euroclass A1 (non-combustible).
- Certified to BES 6001 ‘Excellent’ for responsible sourcing.
- Produced under ISO 9001 (Quality Management) and ISO 14001 (Environmental Management) standards.

























