Foldable guide rail for use in construction field, is covered and cast in concrete when steel armature is installed, where guide rail is deployed before constructing upper floor and is made of aluminum profile to rigidify rail

摘要

The guide rail is covered and cast in concrete, when a steel armature is installed. The guide rail is deployed before constructing an upper floor using a perch. The guide rail is made by folding using chisel, where the guide rail is made in different lengths. The guide rail is made of aluminum profile to rigidify the rail.