Originally Posted by Boracay
I've experimented a bit with concentrated ethylene glycol (antifreeze) solution. It does seem to stop the rot
but I wonder how well epoxy will bond to the wood if it's used as a first step?
If you can insure that there will never be a point of ingress for water
at any point along the length of the spar then epoxy would be fine, but spars are full of fasteners, subject to constant flexing, chafing from sails
, lines, halyards, etc. I would never tell a customer that I guarantee a spar free from water
ingress on a mast exposed to the elements 24/7 for years on end.
I do paint under the hardware
as a preventative measure as sabray pointed out it's a bit more durable over time. The colour we use is very close to the spar and we mask it so the hardware
conceals it fully.
The real problem is most spars are stepped for one or more years between proper inspection
. A lot of damage can be done before you find a problem and that could lead to deep extensive structural damage. That usually ends badly.
With a top quality wood spar costing many tens of thousands of dollars that's not a risk I'd be willing to take.