Retention element
Reduction of drainage capacity of rainwater into the sewer network
Retention element
Reduction of drainage capacity of rainwater into the sewer network
Retention roof
• Reduction of drainage capacity into the sewer network
• Fast installation and easy maintenance
• Reduction of acquisition costs compared to other retention systems
Support & Retention Roof Designs
• Technical report of retention roof incl. calculation on the basis of information from the authorities concerned
• Drawing of the division of the retention roof surfaces
• Delivery and installation of retention elements
• Inspection and cleaning of installed retention elements
• For design suggestion, ask at technical department TOPWET
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