On 13/04/2021 12:17, Bert Coules wrote:


Then in the last few weeks, the new ceilings/loft area floors suddenly
became startlingly noisy, emitting what I can best describe as
intermittent sharp (and loud) cracks.Â* Since this mostly happens towards
evening I'm inclined to put it down to expansion and contraction, though
there are also isolated incidents of it during the day.

Am I right?Â* And if so, why is it happening now?Â* And should I be
concerned?


CH pipes in loft or under the floor of extensions.

Central heating now cycling in shorter times now that the weather is
warmer (or more likely CH switching off as the sun shines through
windows providing more solar heating)

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