AP Oakum can be used dry or soaked in Alchemy-Spetec leak seal resins to repair leaks in concrete structures. Works well dry to drive into cracks as a temporary seal to allow injection resin time to cure without washing out.
Sealing leaks, either dry or soaked with resin.
Serving as a gasket to give injected resin time to cure.
Ideal supplement for resin when repairing wider cracks.