
Fire Protection Board T
Description
Lightweight cement-bonded glass fiber reinforced concrete slab for protecting concrete structures in underground transport systems from higher thermal stress.
Application areas: Tunnel linings set in concrete, mainly in new construction projects
Specifications
Characteristics
- Apparent density ρk (dry)
- ≈ 690 – 980 kg/m³
- Bending force (EN 12467 ±10%)
- Approximately 3.5 N/mm²
- Thermal conductivity λR (DIN EN 12667)
- ≈ 0,175 W/mK
- Extension/Retraction (change RH 30%, 20°C, EN 318)
- ± 0,15%
- Equilibrium humidity (651 TP3T RH, 20 °C, EN ISO 12570)
- ≈ 7%
- Compressive strength (EN 789)
- ≈ 9 N/mm²
- Alkalinity (pH value)
- Approximately 12
- Modulus of elasticity in bending (EN 12467 ±10%)
- ≈ 2 000 N/mm²
- Value for 20mm board
- According to the manufacturer's specification
Miratimet
- Building material class (DIN EN 13501-1)
- non-combustible, A1
- Classification of building elements
- International engineering structures
- Fire testing (international curves, ZTV/EBA)
- RWS120, RWS180, HC180, HCM120, HCM180
Dimensional tolerances
- Length and width
- ± 1 mm
- Diagonal difference
- Less than or equal to 2 mm
- Thickness
- ± 1 mm
Available sizes
- Tile size (mm)
- 2600 x 625 mm
- Available thicknesses (mm)
- 10 / 15 / 20 / 25 / 30 / 35 / 40 / 50 / 60



