On 11/07/2019 15:16, Thomas Prufer wrote:

The picture shows something that looks like swollen MDF, possibly as
tongue-and-groove.

Cut off the bottom inch or two, crosswise, and fit a more waterproof baseboard
to cover the gap...

Ronseal wet rot wood hardener??

https://www.ronseal.com/for-home/woo...wood-hardener/

This resin will soak into the swollen material and make it rock hard.
Power tools will then be needed to sand it back.

The downside is it may be difficult to apply without getting it on the
floor. The resin has the consistency thinner than water and some success
my be achieved with using a small brush to apply small amounts at a time.


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