Control Joints in Residential Post Tension Slabs

Installation of Contraction Joints in Post-Tensioned Slabs-on-Ground

In general, contraction joints are not currently used in residential PT slabs. Yet, they should be used to minimize random cracks.  The Post Tensioning Institute endorses the use of joints in PT slabs. A new method of installing contraction joints, which embeds polymer tape into fresh concrete, provides an economical advantage over other methods…