Deteriorated or “spalled” joints are the number one problem in a concrete floor. Saw cut contraction/control joints and ...

Another key physical property is that if the joint movement exceeds the capability of the joint filler, the product, not the concrete, will tear cohesively or adhesively rather than delaminating ...

The movement joints are resistant to aggressive cleaning agents and are normally set into a channel in the concrete floor construction. The structural topping is then laid up to the edges of the ...

MassDOT attributed the collapse to “recent freeze/thaw cycles,” which cause “concrete to become saturated, freeze, and then delaminate as temperatures rose.” The joint that failed was ...