Fire protection board T

Fire protection board T

Cement-bonded, glass-fiber reinforced lightweight concrete board to protect concrete structures in underground transport systems against higher thermal stress.

  • Areas of application: Tunnel cladding set in concrete, predominantly in new construction projects 

Characteristics

Apparent density ρk (dry) approx. 690 – 980 kg/m³
Flexural strength (based on EN 12467 ±10%) 1) 3.5 N/mm²
Thermal conductivity λR (in accordance with DIN 12667) 0.175 W/mK
Extension/shrinkage reaction to changes in RH of air of 30% (20°C) (in accordance with EN 318) ± 0.15 %
Equilibrium moisture at 65% RH of air and 20°C air temp. (in accordance with DIN EN ISO 12570) approx. 7 wt.%
Compressive strength (in accordance with EN 789) 1) approx. 9 N/mm²
Alkalinity (pH value) approx. 12
Bending elasticity modulus in N/mm² (based on EN 12467 ±10%) 1) ≥ 2 000 N/mm²
1) Value for a 20 mm board  

Approvals

Construction material class (in accordance with DIN EN 13501-1) non-combustible, A1
Construction element classification for civil engineering structures international
Tunnel fire tests in accordance with international time-temperature curves for constructions set in concrete ZTV/EBA
RWS120
RWS180
HC180
HCM120
HCM180

Dimensional tolerance at equilibrium moisture content for standard board sizes

Length, width

±1 mm

Diagonal difference

≤2 mm

Thickness

±1 mm

Dimensions in mm

Dimensions in mm Thickness in mm
2 600 x 625 10 / 15/ 20 / 25 / 30 / 35 / 40 / 50 / 60
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