EXPOSED LIQUID WATERPROOFING MEMBRANE FOR HEAVY FOOT TRAFFIC

Cold roof, waterproofed with liquid membrane suitable for heavy foot traffic

1 SUBSTRATE / LOAD-BEARING ELEMENT

Minimum slope 1%. Alternatively, sloping screed made with WINPLAN 370 or WINPLAN PRO. For bonded screeds, 1–3 cm thick, use WINGRIP® NEXT adhesion promoter, applied wet-on-wet.

2 PRIMER

Application by roller, brush or spray of bituminous primer ECOIMPRIMER, total consumption 150–200 g/m².

3 VAPOR BARRIER

Hot-applied 4 mm bitumen-polymer membrane COVERBLOCK, reinforced with glass veil and aluminium foil.

4 PANEL ADHESIVE

Application by roller or brush of water-based bituminous adhesive WINGLUE or WINGLUE FAST, consumption 0.8 kg/m².

5 THERMAL INSULATION LAYER

6 WATERPROOFING

Double layer of hot-applied elastoplastomeric bituminous membrane (BPP) EXPERTA 300 (cold flexibility –15 °C) and EXPERTA 400 (cold flexibility –20 °C), reinforced with non-woven continuous-filament polyester, glass-stabilised.

7 SOLAR SEPARATION LAYER: LDPE SHEET.

8 LOAD-DISTRIBUTING SCREED

De-bonded screed made with fast-setting screeds WINPLAN 370 or WINPLAN PRO.

9 WALKABLE WATERPROOFING OF SCREED

Application of ONE® system by roller, brush or spray, suitable for heavy pedestrian traffic and puncture resistant, applicable on damp substrates and at temperatures from 0 to 45 °C; two coats with ONE® MAT reinforcement; total consumption 1.9 kg/m²

10 PRIMER

Application of bituminous primer ECOIMPRIMER, consumption 150–200 g/m².

11 VERTICAL UPSTAND WATERPROOFING

Hot-applied elastoplastomeric bituminous membrane (BPP) EXPERTA 400, cold flexibility –20 °C, reinforced with non-woven continuous-filament polyester, glass-stabilised.

12 ADHESION PROMOTER

Application of WINGRIP® NEXT by roller, brush or spray; overcoatable after approx. 2 hours; consumption 0.3 kg/m².

13 BASE PLASTER

Cement-based pre-mixed plaster WR05 WINTONAC on vertical surfaces; consumption 1.9 kg/m² per mm thickness.

14 FINISHING SKIM COAT

Cement-based skim WF02 RASOWIN; consumption 1.8 kg/m² per mm thickness.

15 CORNER REINFORCEMENT

Self-adhesive butyl tape BC SEAL BAND; together with BC SEAL PAD for drains, outlets and penetrations.

16 VERTICAL UPSTAND WATERPROOFING OF SCREED

Application of ONE® VERTICAL, thixotropic waterproofing for vertical details, puncture resistant, applicable on damp substrates and at temperatures from 0 to 45 °C; single coat, consumption 0.35 kg/m².