SYSTEM FOR SURFACE PROFILING OF POURED CONCRETE SLABS

摘要

Apparatus for creating a step or break in level of a poured concrete building slab, said apparatus comprising a length of section of suitable height and closed or open cross-sectional shape supported upon a plurality of discrete chairs which are, in turn, fixed to supporting formwork by suitable fastenings; said chairs being unitary or comprising height-adjustable elements; said section providing level references to which the surfaces of the higher and lower parts of said concrete slab are finished and acting as a riser between the two said surfaces; said section and said chairs being left in place in said concrete slab following its curing.