INTERNAL EPOXY CEMENT SKIM COAT WATERPROOFING FOR UNDERGROUND STRUCTURES, RESISTANT TO NEGATIVE HYDROSTATIC PRESSURE

Procedure for waterproofing the interior of underground structures using epoxy cement skim coating, possibly followed by a plaster or cement finish

1 CONCRETE FLOORING

2 CONCRETE RETAINING WALL – RETAINING WALL IN CONCRETE AS PER PROJECT SPECIFICATIONS

3 NEGATIVE-SIDE WATERPROOFING – FIRST COAT

WINPOX CEMENT TIXO, three-component thixotropic epoxy-cementitious system. Applied with a trowel; small fillet at wall base. Consumption: 2.2 kg/m².

4 NEGATIVE-SIDE WATERPROOFING – SECOND COAT

WINPOX CEMENT TIXO, applied with a trowel. Consumption: 2.2 kg/m².

5 NEGATIVE-SIDE WATERPROOFING – SELF-LEVELLING LAYER

WINPOX CEMENT SL, high-strength three-component self-leveling epoxy-cementitious mortar. Thickness: 1–7 mm. Applied with trowel or screed. Consumption: 2.1 kg/m² per mm.

6 ADHESION PROMOTER

WINGRIP NEXT, applied with roller, brush, or spray. Dry and overcoatable in 2 hours. Consumption: 0.3 kg/m².

7 BASE PLASTER

WR05 WINTONAC, pre-mixed cementitious plaster applied to vertical walls. Consumption: 1.9 kg/m² per mm.