I spotted this dark stain on my wood floor around 3 weeks ago, last time the underfloor heating was on was in December. Yesterday I switched it on again and it seems to be getting bigger. The stain is dark, no cupping or crowning, no sign of water or moisture. Any ideas whether it's a chemical reaction or an actual leakage please.The flat is 8 years old and the wood plank is in front of the door where the water cylinder and manifold are. Thank you.
Stain on wood floor- ufh leak or chemical reaction?
- Thread starter CPM1000
- Start date
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Looking at it, it doesn't suggest a leak from below, simply because it seems to be in the centre of the wood rather than at the joints of the planks. Water will find the easiest path and I would suggest the joints would typically be where a leak would show first. Of course that wouldn't be definitive until a closer look confirms.
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