Waterproofing failure in buildings comes at a huge cost and the extent of damage is often extreme. Dimi Kyriakou speaks to members of the waterproofing industry to find out where builders are going wrong in this area and their recommendations for best practice. According to the insurance industry, waterproofing failure is one of the biggest dollar-item claims. It is also a major cause of residential building disputes due to failed or poorly installed water membranes to shower recesses, b...