21 Oct Thermal Movement In uPVC Pipework: What To Allow For
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in News & Events
A stack that ticks and creaks through a warm afternoon rarely gets logged as a defect. It becomes one about four years later, when a bracket has worked loose, a spigot has crept part way out of its socket and a slow leak has stained the riser wall below. The pipework did nothing unusual. It expanded and contracted the way every plastic pipe does, and the installation gave it nowhere to go. Thermal movement is among the most predictable behaviours of a piping system, which makes it among the most avoidable causes of premature failure. Handling it well comes down to...