SAY Control Joint provides a buffer for concrete expansion and contraction caused by temperature changes. Without these control joints buffers, concrete slabs subjected to these temperature changes will eventually crack and this reducing its useable lifespan
Control Joint provides space between concrete slabs as a buffer for expansion on hot days and contraction when its cold. A slab without control joints will crack which will reduce the life span of the concrete slabs.
S.A.Y Control Joints are designed to relieve stress and reduce crack. A Buffer allowance makes an important factor in our control joint as it gives an allowance when excessive movement when expansion or contraction occurs.