
KNAUF (DF) 12.5 mm | Fire-rated plasterboard
Structural boards for dry constructionDescription
Knauf Type DF 12.5mm plasterboard: The Guarantee of Passive Fire Protection
Knauf’s ‘workhorse’ fire-rated plasterboard: Type DF in accordance with EN 520, a non-combustible material for all internal structures with fire protection requirements — the cost-effective, reliable foundation of any certified fire-rated system.
Knauf Type DF fire-rated plasterboard is the crucial component for building systems with high fire resistance requirements. Its core, reinforced with glass fibres and mineral additives, ensures the structural stability of the building in the event of a fire, effectively slowing the spread of heat. This technically superior product offers the necessary level of safety in both commercial and private spaces, fully compliant with the most stringent European standards.
What does ‘DF’ mean and which fire-rated product should I choose:
According to EN 520: D = high density, F = glass fibre-reinforced core for improved fire resistance. Within the Knauf range, the right choice depends on your specific requirements:
Standard DF → general fire resistance (the most economical solution).
Piano DF → when you also need sound insulation.
Diamant DFH1IR → when you want fire resistance + sound insulation + strength + moisture resistance (all-in-one).
Fireboard A1 → for the most stringent requirements (Class A1 non-combustible).
Areas of Application:
- Fire-rated Partitions: Creation of safe fire compartments in buildings.
- Shaft Lining: Protection of escape routes and critical installations.
- High-Temperature Areas: Fireproofing in boiler rooms, fireplaces and workshops.
ARGYNET’s expertise ensures that every technical specification is met with absolute precision, offering comprehensive solutions that guarantee the safety and durability of every modern construction project.
Overview
Key Features
- Non-combustible material
- Good structural integrity when exposed to fire
- Easy to work with
- Flexible at a thickness of 12.5 millimetres
- Minimal expansion and contraction due to changing climatic conditions
- Low energy and carbon footprint
- Certified health and safety characteristics (LEED, EPD, VOC)
Where it is used
Technical solutions where this material is used.




