WATERPROOFING WITH HEAT-APPLIED BITUMINOUS MEMBRANE

Cold roofing, waterproofed with a double layer of bituminous membrane, applied hot, under the ballast layer

1 LOAD-BEARING ELEMENT

2 BONDING PRIMER

For bonded screeds, 1–3 cm thick. Apply WINGRIP® NEXT by roller, brush, or spray, with a consumption of 0.5 kg/m². While the product is still fresh, create the sloped screed.

3 SLOPED SCREED

With a minimum slope of 1%, made using WINPLAN 370 or WINPLAN PRO. For bonded screeds 1–3 cm thick, it is recommended to use WINGRIP® NEXT as bonding promoter, applied fresh-on-fresh.

4 PRIMER

Apply bituminous primer ECOIMPRIMER by roller, brush, or spray, with a consumption of 150–200 g/m².

5 WATERPROOFING

Two-layer application of hot-applied elastoplastomeric bituminous membrane (BPP), EXPERTA 300 (cold flexibility –15 °C) and EXPERTA 400 (cold flexibility –20 °C). The membrane includes a reinforcement of non-woven polyester fabric with continuous fiber stabilized with glass, rot-proof.

6 PROTECTIVE / DRAINING LAYER

7 BALLAST

8 VERTICAL UPSTAND WATERPROOFING

Application of hot-applied elastoplastomeric bituminous membrane (BPP) EXPERTA 400, cold flexibility –20 °C, reinforced with non-woven polyester fabric with continuous fiber stabilized with glass, rot-proof.