Guardrail is processed by method of Basic Oxygen Open Heat Electric Furnace, the galvanized steel sheet is long lasting and extremely resists to erosion. Guard rail is generally mounted along sharp curve to prevent an accident.Guard rail is classified in two class which is class 1 : The guard rail thickness is not less than 3.2 mm. class 2 : The guard rail thickness is not less than 2.5 mm. Also divided in two type which are type 1 : coat zinc is at least 550 gm/sq./mm. by hot dip method. type 2 : coat zinc is at least 1100 gm./sq./mm. by hot dip method (for using nearly sea and high corrosion area). We also provide reflective adhesion materials on guard rial for optional.
W Beam Guard rail
- W Beam guard rail : thickness 2.5 mm., and 3.2 mm., length 1, 2, 3 and 4 meters.
- W Beam flare end wing.
- Splice.
- Straight guard rail post (height 2 meters).
- Guard rail post with 30 degree askew end.
- Guard rail post with 60 degree askew end.
- Guard rail post welded to steel plate (height can be customized per your project).
- BLOCKOUT LIP CHANNEL
- STEEL PLATE
- Screws or bolts and nuts.
- Long screws or long bolts and nuts.
- Spacers.
- Trapezia shape Butterfly Guardrail delineator, one sided, White (GR01), Yellow (GR02).
- Trapezia shape Butterfly Guardrail delineator, two sided, White (GR03), Yellow (GR04).
- Rounded guard rail, 4″ diameter, one sided, White (GR05), Yellow (GR06)
- Rounded guard rail, 4″ diameter, two sided, White or Yellow
Rounded guard rail, one sided, bolt-on


Rounded guard rail, one sided


Rounded guard rail, two sided, bolt-on


Rounded guard rail, two sided,


Trapezia shape Butterfly guard rail, one sided, bolt-on


Trapezia shape Butterfly guard rail, one sided


Siam Traffic Co.,Ltd. has a team of experts with over 30 years experience of proven records in guard rail installation, which matches the standard of Department of Highways and Department of Rural Roads. For more information in guard rail installation, please contact us.
Guardrail installation from Poipet to Siem Reap, Cambodia, with the total distance of 10,000 meters