AESTUVER T fire-protection board

AESTUVER T fire-protection boards

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