With ballast
- Ideal for flat and slightly sloping roofs
- Possibility to link over the ridge
- No perforation of the waterproof roofing
- Ballast can be placed both under and inside the system
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Free span
- For roofs that may only be supported on the trusses or purlins
- No perforation of the waterproof roofing
- Ballast must be calculated in the context of a project
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Vulcanised
- Roofs with limited bearing strength
- No use of ballast
- Without perforating the waterproof roofing
- Can also be used locally to prevent shearing
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Anchored
- For flat and sloping roofs
- Assembly application soft roofs, roofs that permit little or no extra load
- Assembly on very high buildings
- Anchoring with a limited number of perforations
