In the world of waterproofing contracts, substrate acceptance clauses are often an overlooked detail, but their relevance to liability cannot be overstated. A drain point underneath a planter box wall, as depicted in the photo accompanying this discussion, is an example of an unacceptable condition for applying a waterproofing system. Competent waterproofing professionals recognise this and understand the significant implications of applying a waterproofing membrane to an uns

At this point in time, it is relatively common knowledge in our construction industry that a waterproofing system should be applied to a substrate with falls to drains in order to achieve suitable performance and lifespan of the system. This close connection between waterproofing, water-shedding and performance outcomes is appropriately explained in the TAFE NSW online course ‘Waterproofing Design Principles’ released this year. However, the question “but what is the minim

Waterproofing design and construction requirements in NSW from July 2021 under the Design and Building Practitioners Act 2020