The NRCA Waterproofing Manual – 2nd edition provides updated guidance on the design and installation of quality waterproofing assemblies, addressing topics such as proper design, quality materials and workmanship, waterstops, warranties, material storage and handling, weather considerations, slope and drainage, flashings, and more. It is intended to complement The NRCA Roofing Manual Set and should be used as a guideline to prepare proper specifications.