Home » Road Safety » Steel backed timber guardrails » TR18 4M – N2W7 – ASI A

The classic T18 revisited with a square profile, offering an aesthetic variant while maintaining similar safety performance.

  • Negative carbon footprint: -5.2 CO2 eq/ml
  • Distinctive new design
  • Perfectly integrated into a variety of environmentss
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Crash-tested and CE-certified

Sliding elements :

  • Planed wooden section 170 x 145 mm, length 4.00 m
  • Pre-assembled metal reinforcement at the rear of the rail

Metal support :

  • C100 in 1.50 m
  • Wooden spacers, section 170 x 180 x 730

Post spacing : 4.00 m
Height of rail: 0.70 m (+0.-50 mm) from average ground level
Overall dimensions: 330 mm

Chromium- and arsenic-free autoclave-treated wood (except for the Essential Range)

All our devices are CE certified in accordance with standard NF EN 1317 1-2-5

  • TR18 4M: CE n° 1826 CPR 09 02 06 DR12

Certification body: ASCQUER

Download the certificate

Level N2 :

Containment level Test Speed of impact Impact angle Total weight of vehicle  Kinetic energy
N2 TB 32 110 km/h 20° 1 500 kg 81,9 kj
N2 TB 11 100 km/h 20° 900 kg 40,6 kj

Result :

Model Working width (W) Dynamic deflection (D) Severity class (ASI) Vehicle intrusion (Vin) Minimal lenght recommended (m)
TR18 4m W7 (2,5 m) 2,3 m A (≤ 1,0) VI7 (2,3 m) 60 m + (2*4 m)

Complementary accessories

  • Motocyclist protection
  • Night beaconing – Réflec’bois
  • Handrail extension – on spreader or on arm
  • Rear wooden cladding and C100 cover
  • Removable passageway
  • Support plate

Transitions

  • Wood to metal connection (T.A.T)
  • Low wall connection