ABSTRACT

These consisted of one or two component moisture or chemically curing solutions which were applied to the concrete surface.

Liquid membranes were categorised into bituminous and resinous systems. Bituminous systems were subdivided into bituminous solutions or compositions and keg mastics, the latter required heat to convert them to a liquid. Resinous membranes were subdivided into urethane, epoxy and acrylic resin based systems (figure 2).