PVC steel fence is made of PVC, but also by adding a certain amount of stabilizer, impact modifier, coloring agents, fillers, anti-ultraviolet and other additives, the high-temperature extrusion molding, and then cutting, welding Made of door frames, doors, window frames, sash, matched with rubber seals, tops, hardware and other accessories made of doors and windows. To increase the strength and rigidity of doors and windows, more than a certain length of the profile cavity to be added lining steel.
When the construction unit in the steel guardrail column construction, should accurately grasp the various facilities drawings, especially buried in the roadbed in the exact location of the various pipes, in the construction process does not allow any damage to the underground facilities. Requirements When the fence column can not enter the column too deep, not to pull out the column correction, the need to re-ramming its base (ben) and then enter, or adjust the column position. Construction should be careful to control the depth of hammering intensity.