> Could you clarify this, please? Is working life the time allowed for
> topcoat application?

I posted your question.

It will take longer to get a reply.

The folks on the WoodenBoat Forum are very knowing, unfortunately there are also very busy.

Probably your best bet is to e-mail them at the addresses I gave.

Some time the old salts don't check-in for days. Maybe there out cruisin' or trapped in some bilge :)