A one-eighth inch wide sawcut or zip strip extends to one-quarter of the slab depth, forming a control joint in the concrete floor. The joint layout frames a four-inch typical clearance around the concrete or steel column.
¹/ ₈ " [3.2] WIDE SAWCUT OR ZIP STRIP x¹/ ₄ SLAB DEPTH CONC. OR STEEL COLUMN TYP. 4" [100]
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