Sentry Barrier TL-4 ThrieBeam System - Longitudinal Barrier

The Sentry Barrier TL-4 ThrieBeam System is a roadside Thrie-beam guardrail system suitable for containing, redirecting and shielding vehicles from roadside obstacles. The barrier has been designed and tested to meet the evaluation criteria of MASH Test Level 4 for a longitudinal barrier. This is the current and highest performance testing criteria in line with AS/NZS 3845.1:2015, exceeding the requirements of NCHRP 350 Test Level 4.

• MASH Test Level 4 compliant as a permanent Longitudinal TL-4 Barrier system
• AS/NZS 3845.1:2015 compliant and recommended for acceptance by the Austroads Safety Barrier Assessment Panel (ASBAP)
• Less components, weight and footprint than public domain TL-4 Thrie Beam guardrail
• Proprietary washer and post slot allow for easy and fast installation with no special tools
• Superior dynamic deflection results that is more forgiving on vehicle impacts
• Conventional ‘C’ shaped post but shorter, smaller profile and lighter than public domain
• No block out, stiffener or bracket required between rail and post connection
• Large flexibility and tolerance in system height to accommodate easy transitioning
• Recommended for use with the MAX-Tensional End Terminal range