Apr 17, 2018 · For tooled or grooved joints, depth of the contraction joint should be 1/4 of the slab thickness. ... ACI 302.1R-15 Guide to Concrete Floor and Slab Construction, American Concrete Institute, ...

Looking for construction and building materials? Sweets provides Joint Protection product directories to help you construct any building. ... The Expansion Joint ... Expansion Joints for Concrete. Expansion Joints vary from structure to structure. Vector Construction installs a wide variety of concrete expansion joint and nosing systems. Expansion joints permit volume change movement, generally due to temperature change of a concrete structure or member.