As an option to saw cutting, place a Crack-A-Joint into the wet concrete along the joint line (above the centre of the dowel cradle), to induce a crack for the full depth of concrete.The Crack-A-Joint is available in standard 3m lengths formed from galvanised sheet steel to height of 25mm. It can be supplied as a plain joint or with a permanent Rip-A-Strip capping in four different colour options (Black, Grey, Sandstone and/or Terracotta)