The original roofing material specified was to be standing seam aluminium, however, Planning Officers expressed concern at pre-application stage that there may be some adverse response from adjacent residents. The Architects came up with an alternative solution and proposed that the roof be finished with a green roof system, which the Planners wholeheartedly approved and encouraged.
Type of Roof
Extensive Green Roof
Size of Green Roof
2,000m2
Build up of Roof
The roof build up consists of curved Armaseam aluminium standing seam profiled sheet, which acts as the waterproofing substrate beneath a ZinCo green roof.
Comments
The curve of the roof profile meant that the ZinCo green roof system had to accommodate falls from 26º at the eaves to zero at the crown of the building, which lead to the development of a project specific substrate baffle retention system, which has proven to be highly successful. As the roof slopes were so severe, the decision was made to use sedum mats at the eaves and gables, to securely anchor the substrate in position and to provide an immediate established appearance to the vegetation from ground level. Sedum plug plants were used in the field area in order to provide a more cost-effective solution for the overall planting scheme.