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Car-Accessible Inverted Roofs

WE 25/15 – The Pressure-Resistant Solution

Our System WE 25/15 for car-accessible inverted roofs

Top layer: Concrete paving stones, thickness at least 8 cm

Bedding: Chippings (0/4), application heigh at least 3 cm

Base layer: Crushed stones (0/32), compacted application height at least 12 cm

Filter layer: Quality fleece PP 150 g/m², GRK 3 

Drainage: WE 25/15 filled with chippings (2/8)

Filter layer: Quality fleece PP 150 g/m², GRK 3

Insulation: Pressure-resistant thermal insulation

Sliding layer: Two layers of construction foil PE-LD 0.2 mm

Roof system: Stable roof construction with waterproofing

Our WE 25/15 system – The Pressure-Resistant Solution - is suitable for application on car-accessible inverted roofs. When filled with chippings WE 25/15 is highly crush resistant. Due to this WE 25/15 is the best solution compared to other drainage boards of similar height. 

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BuGG - Bundesverband GebäudeGrün e.V.


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