Roof waterproofing works

Summary

Zoo Hannover gGmbH is procuring roof waterproofing and associated roofing works. The scope includes removal of about 400 m² of existing roof build-up; installation of vapour barriers, thermal and tapered insulation, and plastic or polymer-bitumen waterproofing across the specified roof areas; roof drainage, edge and wall connections, rooflights, smoke and ventilation controls, floor-slab waterproofing and screed, and safety systems.