Heavy duty profile HERKULES SAN, base material ST37. Joint system for expansion joints in transitions from existing components to new components. Installation bars for fixation on existing components. Absorption of shrinkage movements of new components. Frictional connection through flexible arrangement of installation bars. Fixation of profile via screw anchors. Extension via integrated threaded joint. Variable element lengths. Accurate to size end pieces from 1000 mm-4000 mm as well as angle, cross, and T-shaped parts available.