Current
Building Supplement
Testing methods for completed roof systems with continuous waterproof coverings defining applications, requirements and limitations; advising on visual inspection and testing of seams and health and safety considerations; and presenting a quality control checklist.
Document reference: S8-09. Published May 2017. Supersedes the 2009 edition.
The SPRA is the trade body representing the single ply roofing industry and is the UK authority on polymeric waterproofing.
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