Hydrostop AB (SA) Self supporting PVC waterstops You might also be interested in Hyperseal DPS-200 One component hydrophilic sealant Hydrostop HW PVC Waterstops (Formerly known as Hydrostop AW) Hydroseal FS High performance waterproof jointing system (Formerly known as Hydroseal FS Plus) Hyperseal DP High performance hydrophilic waterstops