valmont INGAL MashFlex MASH TL3, Product Manual

2

Release 07/22

MashFlex

Wire Rope Safety Barrier

Wire Rope Safety Barrier

Wire Rope Safety Barrier

ASH LE

I N G A L   C I V I L   P R O D U C T S

ASH LE

I N G A L   C I V I L   P R O D U C T S

1.0  Introduction

Introducing MashFlex, a member of the Flexfence family, 
the next generation wire rope safety barrier (WRSB), 
providing superior motorist safety and more metres of 
barrier for your dollar.
MashFlex is crash tested to the latest performance 
standard, the Manual for Assessing Safety Hardware 
(MASH) Test Level 3, making it compliant to the current 
AS/NZS 3845.1:2015.
The superior design and clean lines of the MashFlex 
WRSB have seen it become the road safety industry’s 
preferred wire rope barrier. These design characteristics 
have continued in this next generation of the product, 
MashFlex, with an improved design and simplified 
assembly sequence.
With the introduction of the iRAP Star Rating for a 
highway’s safety, critical for a 5 Star rating is the separation 
of oncoming vehicles and protection from roadside 
hazards, WRSB has become a key countermeasure in 
these designs. Cross-median accidents are typically 
violent collisions with a high probability of multiple 
serious injuries and death. 
The straight alignment of the ropes allows for easy 
installation and tensioning. Post footings are typically 
concrete with a sleeve to form a recess. Once the anchors 
and footings are poured, the ropes are cut to length, 
stainless steel end fittings are machine swaged and the 
ropes are tensioned.
MashFlex is a 4-rope barrier assessed in accordance with 
MASH Test Level 3 (TL3) and TL4. 

Test Level 3 comprises two tests, the heavy vehicle impact 
is performed with a 2,270kg pick-up truck travelling at 
100km/h and impacting the barrier at 25°, the purpose of 
this test is to verify the barrier’s performance for impacts 
involving pick-up trucks and SUVs. 
The small vehicle impact is performed with an 1,100kg 
car travelling at 100km/h and impacting the barrier at 
25˚, the purpose of the small car test is to evaluate the 
risks to the vehicle occupants when impacting a safety 
barrier.
TL4 requires the evaluation of the barrier when impacted 
by a 10,000kg rigid truck travelling at 90km/h and 
impacting the barrier at 15°, the purpose of this test is 
to evaluate the capacity of the barrier to contain and 
redirect the vehicle.

2.0  Specification

Material:

Steel Wire Rope:   Mass – 1.21kg/m
 

Ultimate Tensile Strength – 165.5kN

Sigma Posts:  

Material to AS/NZS 1594

Anchor Bracket:   Material to AS/NZS 1594
Swage Fittings:   Stainless Steel, Grade 304
Plastic Parts:  

UV Stabilised Polypropylene

Finish:

Steel Wire Rope:   Galvanised coating
Sigma Posts:  

Galvanised to AS/NZS 4680

Anchor Bracket:   Galvanised to AS/NZS 4680

Dimensions:

Steel Wire Rope:   Right Hand Lay, Ø19mm, 3 strands,
 

7 wires each (1 x 3.15mm + 6 x 3.0mm)

Sigma Posts:  

1230mm long

Figure 1: MashFlex Wire Rope Safety Barrier