Insulating Concrete Formwork (ICF) build off a RC raft for a new build in Sheffield
- Type A: Barrier Protection – external waterproofing
- Type C: Drained Protection – internal waterproofing
Incorporating Delta Dual Proof pre-applied water proofing membrane prior to pouring the concrete slab over the formwork system.
Primary resistance of the structure is provided by Koster Deuxan-2C polymer modified thick bitumen compound bitumen-based waterproofing on the positive side. Once the Deuxan has cured Delta-GeoDrain Quattro membrane is mechanically installed with joints overlapped and sealed. Finally, 8mm cavity drainage membrane to be installed on all walls.