We saw your shrinkage joint crack initiators, in fresh concrete within 6 to 34 hours of concreting, depending on outside temperatures, day or night, on your aeronautical, road or industrial paving sites, according to parameters such as: weather, aggregates, type of concrete, method of concreting.

The widening and chamfering of construction joints/flexural contraction joints/expansion joints, are carried out autonomously at maturity.