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Deleted member 9966
GRR you using an over bath screen? If so id lay my money on the water getting through there somewhere. Sometimes they can let water through the gap between the male and female channels and through the hinge mechanism at the bottom.
Iis quite common to get a damp patch by the edge of the bath at the base of the screen, just needs drying off and some additional Silicon at the base of the hinge.
sorry boys, it's a shower rail and curtain. when the curtain is in place, I make sure it's all the way round, fully in the bath etc. I'm convinced the failure is somewhere between the bottom row of tiles and half way up. i've checked the Silicon over so many times, taken it out twice and re-done just to be sure. there has to be a pin hole somewhere in the grout that I haven't found yet.