[David Phillips]

Many thanks for comments above, I was thinking about grp sea cocks, marelon I think? The small amount of rot extends about a centimetre outside the flange, is such a small hole better to re-laminate or epoxy? I was worried that relaminating might weaken the structure more. So thanks Colin, I might have to prevail on your advice re relaminating, scarfing I have done before but not this