The rise of the blue roof

Blue-roof implementation is on the rise in the United States and, indeed, around the world. First conceived in 2008, these ROOF assemblies have proved to be an emerging technology that changes the game in densely populated, urban areas like San Francisco, Philadelphia, and New York.
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Understanding trap-seal protection devices

Building codes are gradually changing across North America to allow waterless trap-seal protection devices (TSPDs) in lieu of trap primers. Depending on the jurisdiction, the products can be employed as substitutes in retrofit situations where trap primers have failed. What do design/construction professionals need to know?
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CPVC pipes and fitting

Recent industry trends have enabled several choices of competing plumbing materials to gain greater traction in the market. As a result, plumbing professionals have far more factors to consider when designing a system.
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