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tomtoledo
02-03-2012, 04:00 PM
I posted the other day regarding my 27' Ed Monk cruiser that I am in the process of repairing.
The shelf on both sides is rotten from about amidships forward.
I'm guesing from then nice "pine" fragrence I'm sniffing while cutting it out that it was either Douglas Fir or Pine that rotted out so badly.
What would be a good replacement wood? White oak? Douglas Fir treated with CPES or West System?
The original shelf rotted from a leak around the rail and a poorly bedded windless.
Thanks,
Tom
JoshuaIII
02-03-2012, 04:42 PM
If it was BC Fir, replace it with BC Fir. It lasted 30 years on your boat so... You will probably not there next time to change it, specially if the leaks are fixed.
Jay Greer
02-03-2012, 04:55 PM
Ditto.
Jay
tomtoledo
02-03-2012, 05:18 PM
Thanks for the advice. I've never worked on a boat that had Fir. Always Mahogany and White Oak, so this "soft wood" thing is all new to me.
JoshuaIII
02-03-2012, 05:33 PM
Douglas-Fir is very stiff and strong for its weight, and is also among the hardest and heaviest softwoods.

http://www.wood-database.com/lumber-identification/softwoods/douglas-fir/
Bob Smalser
02-03-2012, 05:55 PM
I'm guesing from then nice "pine" fragrence I'm sniffing while cutting it out that it was either Douglas Fir or Pine that rotted out so badly.



Doug Fir doesn't smell like much unless you hit a pitch pocket. Your wood sounds like Yellow Pine. And if it was second-growth, it had a lot of sapwood in it. I'd use Doug Fir heartwood and not bother with CPES or wood preservatives other than red lead primer. Good ventilation from bilge to clamp is more effective than all the rot-stoppers ever made.
Jay Greer
02-03-2012, 08:54 PM
Hurrah for Bob. He speaks the truth!
Jay
chuckt
02-04-2012, 07:04 AM
Like Bob, Larry Pardey I think also preaches good ventilation. I think he even has a picture in one of his books about how to do a shelf so it stays ventilated. I looked but can't find it.
tomtoledo
02-04-2012, 12:01 PM
Thanks everone. I located a source here in Charlotte, NC for "verticle grain" Douglas Fir from the West Coast, graded C or higher. I also think that I will go with using red lead primer instead of trying to use CPES or an epoxy.