Guard Rail is the zinc sheet metal that meets all Department of Highways’ standards. There are 2.5 mm. and 3.2 mm. is the zinc sheet metal that has been passed Basic Oxygen Open Heat Electric Furnace process. This process makes Guard Rail meet all Department of Highways’ standards and possess 2.5 mm and 3.2 mm of thickness.
Normally used to install along the roadside, dangerous point, or the road that was located close to the canal. It is used to decrease the dramatic effects that could happen from the accident, and also to prevent damage and danger for the driver and the passenger.
Guard Rail is allocated into 2 levels according to its thickness.
- 1st floor The thickness is not less than 3.2 mm.
- 2nd floor The thickness is not less than 2.5 mm.
Guard Rail is allocated into 2 types according to its amount of zinc
- Type 1 The zinc weight is not less than 550 gsm.
- Type 2 The zinc weight is not less than 1,100 gsm.