The roof drainage should be designed to BSEN12056-3:2000 and if draining a podium deck or a landscaped roof then consideration should also be given to the surface water drainage. The design of this should be carried out to BS EN 752:2008. Consideration should also be given to:
- Waterproofing details
- Penetrations
- Roof geometry
- Fire and vegetation
- Roof outlets
- Thermal insulation
- Wind Uplift
The purpose of a blue roof is to detain water rather than to drain quickly. While design should be undertaken to the relevant standards where applicable, the hydraulic design of the system is often site specific. Therefore we strongly recommend early consultation with ACO or a specialist blue roof drainage manufacturer.
To view full product details please visit www.aco.co.uk
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