█ Concrete not always in compliance with specifi cations in regard to absorption, porosity & permeability
█ Bottom of the barrel systems selected on price only, often fail to deliver in terms of performance
█ Damage often occurs to many membranes by third parties and other trades during construction
█ Damage may occur to other waterproofi ng systems when the protection boards are being installed
█ Chloride ion ingress may compromise structural integrity of concrete or steel decks