On Monday, 6 January 2020 11:16:33 UTC, John wrote:
Against better jusdgement I sucumbed to instructions to have a wall mounted
cabinet under the wash basin in the bathroom.

Already there are signs of the laminate lifting at the bottom edge due to
the carcase swelling.

Any ideas to prevent this getting worse?

that's easy, replace it with something fit for purpose. If you want to extend its life you can try & waterproof it but failure is inevitable.


NT