Concrete can be waterproofed by a selection of coating methods and tanking systems but another option is to add a waterproofing additive to the concrete at the time of batching which block the pores and provides a watertight seal. In this section there are various products that stop the passage of water in concrete substrates.
Heyen Plus Proof Concrete Additive
Heyen Expanding Sealant used as a water sealing mastic.
Heyen Waterstop Bar is a preformed waterstop bar which swells up to 700%.