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Expanding foam and PVC cable

JDW

Does expanding spray foam (the stuff that comes in cans for gap filling) damage PVC cable?


I have a small section on my ring main which is in contact with it, unfortunately I cannot access it as its under the shower tray!




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  • 0
    I removed an old bit of coax that had been run under a UPVC window at home a few years back. It had been there for well over 20 years. The sheath in contact with expanding foam under the window was in better condition than the cable indoors, which was relatively OK - and of course both in far better condition than the sheath of the parts of the cable exposed to UV, where the sheath was rather stiff (but still OK).
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    I removed an old bit of coax that had been run under a UPVC window at home a few years back. It had been there for well over 20 years. The sheath in contact with expanding foam under the window was in better condition than the cable indoors, which was relatively OK - and of course both in far better condition than the sheath of the parts of the cable exposed to UV, where the sheath was rather stiff (but still OK).
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