Waterproofing structures offers protection to structural components, buildings, and installations from the penetration of water; it reduces risk and will prolong the life time of the structure. However, some below ground construction projects require protection from both water ingress and gas contamination.
It’s now possible to produce a waterproofing design which incorporates both a waterproof and gas proof protection system, however these types of projects require a different strategy and methodology as to what would be classed as a typical waterproofing design. Both BS 8102:2022 and BS 8485:2015+A1:2019 are intertwined. Basements and below ground structures which need to be watertight and gas proof are not anymore complex to design but require further considerations at the design phase and throughout the project.