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16-02-2018, 16:55
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#1
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Registered User
Join Date: Jun 2016
Location: Stuart, Fl
Boat: Endeavour 37'
Posts: 20
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Varnishing exterior wood in Florida and Caribbean
I’ve spent the last few months removing and replacing and bedding new toe rail and rub rail with mohagany on my first ever sail boat located in Florida. All of the fitting and finishing is done and I’m getting ready to start applying varnish. I get on the phone with Pettit and they recommend their flagship varnish, which they say will last 5 years in the Florida sun. I swing by West Marine to get some local advice and get mixed reviews, saying nothing lasts that long here, but they have some product on hand to sell. Lastly, I visit a local independent marine supply store to ask about varnish and they pretty much said nothing will last more than 6 months in the Florida sun without constant reapplication, and to prove it they only had a few quarts of miscellaneous products on the shelf. So my question to those with exterior bright work in this region: is it true that no varnish will last without semiannual recoats? Is it better to just let the wood go bare and weather? Would an oil be better? I’m not too conscerened about appearance, just want to keep the new wood stable and prevent rot. All advice would be appreciated.
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16-02-2018, 17:19
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#2
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Registered User
Join Date: May 2011
Location: Miami Florida
Boat: Ellis Flybridge 28
Posts: 4,058
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Re: Varnishing exterior wood in Florida and Caribbean
I sold marine paint and varnish in Miami for about 40 years. No varnish will last five years in the South Florida sun. It would need a light sanding and a new coat about every 6 to 8 months. It doesn’t sound like a lot of work, but if you don’t do it you end up stripping and adding another six or more coats.
A friend of mine claims to be able to go a couple of years without recoating. He uses several coats of single part varnish topped with several more coats of 2-part varnish.
The one time I tried it the 2-part varnish cracked at each joint in the wood. My friend said I hadn’t put on enough regular varnish under it.
To keep a nice looking oiled finish in South Florida, figure on recoating every six weeks or so.
I’ve seen a couple of boats that have canvas covers for all their exterior bright work.
__________________
Retired from Hopkins-Carter Marine Supplies
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16-02-2018, 17:25
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#3
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Moderator Emeritus
Join Date: Oct 2013
Location: Jacksonville/ out cruising
Boat: Island Packet 38
Posts: 31,351
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Re: Varnishing exterior wood in Florida and Caribbean
So, how about varnishing, and then painting over the varnish?
I saw a brand new $1Mil plus Kady Krogen that the wood had been painted a dove grey color. It was shiny and I did confirm it had been done at the owners request.
So how does one go about doing that, without ruining the wood?
I have been told you can varnish to seal the wood and then paint over the varnish, and the paint will last 5 years.
Is this true, anyone done it?
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16-02-2018, 17:33
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#4
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Registered User
Join Date: Jun 2011
Location: Long Beach, Ca. USA
Boat: Norseman 447
Posts: 403
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Re: Varnishing exterior wood in Florida and Caribbean
Are used to use flagship for many years but I have a switch back to Capt.'s varnish. Still it needs a couple coats every six months to keep it good.
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GREG, s/v Sirena
currently, Puerto Vallarta, Mexico cool:
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16-02-2018, 17:48
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#5
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Registered User
Join Date: Jan 2015
Location: USA & Argentina
Posts: 1,561
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Re: Varnishing exterior wood in Florida and Caribbean
I've wondered if a clear resin top coat over the varnish would work. ????
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16-02-2018, 17:48
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#6
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Registered User
Join Date: May 2011
Location: Miami Florida
Boat: Ellis Flybridge 28
Posts: 4,058
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Re: Varnishing exterior wood in Florida and Caribbean
Quote:
Originally Posted by a64pilot
So, how about varnishing, and then painting over the varnish?
I saw a brand new $1Mil plus Kady Krogen that the wood had been painted a dove grey color. It was shiny and I did confirm it had been done at the owners request.
So how does one go about doing that, without ruining the wood?
I have been told you can varnish to seal the wood and then paint over the varnish, and the paint will last 5 years.
Is this true, anyone done it?
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A fellow came into the store and asked my Dad what the best varnish was. My dad handed him a can of Salmon Buff Interlux paint.
I wouldn’t deliberately use varnish as a paint primer. It might work but I don’t know. Just use a primer designed for the job. The primer will fill the grain with a lot fewer coats than varnish would.
If the wood is already varnished, I’d strip as much varnish off as was easy to do, then prime and paint.
__________________
Retired from Hopkins-Carter Marine Supplies
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16-02-2018, 17:57
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#7
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Registered User
Join Date: May 2008
Posts: 439
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Re: Varnishing exterior wood in Florida and Caribbean
Paint it or let it go natural....
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16-02-2018, 18:28
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#8
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Moderator
Join Date: May 2008
Location: cruising SW Pacific
Boat: Jon Sayer 1-off 46 ft fract rig sloop strip plank in W Red Cedar
Posts: 21,184
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Re: Varnishing exterior wood in Florida and Caribbean
IMO, the reason for varnish under the paint is so that if you later decide to go bright again, no paint will have penetrated the grain of the wood. This makes restoring the varnish finish much easier.
We've known several long term cruisers who have done this, both with grey and with "teak colored" paint. Looks good to me,easier to apply (fewer coats) and much longer lasting.
Jim
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Jim and Ann s/v Insatiable II, lying Port Cygnet Tasmania once again.
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16-02-2018, 19:50
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#9
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Registered User
Join Date: May 2011
Location: Miami Florida
Boat: Ellis Flybridge 28
Posts: 4,058
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Re: Varnishing exterior wood in Florida and Caribbean
Quote:
Originally Posted by Jim Cate
IMO, the reason for varnish under the paint is so that if you later decide to go bright again, no paint will have penetrated the grain of the wood. This makes restoring the varnish finish much easier.
We've known several long term cruisers who have done this, both with grey and with "teak colored" paint. Looks good to me,easier to apply (fewer coats) and much longer lasting.
Jim
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That makes sense.
__________________
Retired from Hopkins-Carter Marine Supplies
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16-02-2018, 20:21
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#10
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Registered User
Join Date: Jun 2010
Location: St. Petersburg, Florida
Boat: Gemini 3200
Posts: 982
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Re: Varnishing exterior wood in Florida and Caribbean
Quote:
Originally Posted by GoingWalkabout
I've wondered if a clear resin top coat over the varnish would work. ????
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It will work fine. Just renew the clear resin every three to six months and you'll be fine.
Something that might work would be an automotive clear coat applied to protect the varnish or resin from UV. The clear coat used on cars lasts years in the Florida sun.
Fabbian
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16-02-2018, 20:35
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#11
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Registered User
Join Date: Sep 2017
Posts: 1,075
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Re: Varnishing exterior wood in Florida and Caribbean
My efforts always go south after one season, so I'm very curious about the replies here. Canvas covers for brightwork are awesome, but that's too much wood in the pic for covers.
Very nice work on the mahogany, BTW!
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17-02-2018, 08:44
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#12
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Registered User
Join Date: Jul 2017
Posts: 35
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Re: Varnishing exterior wood in Florida and Caribbean
My boats are in Antigua year round. The best varnish I found was Bristol Finish. A challenge to use but in my experience worth the effort and expense. I did not have to go down to bare wood for years.
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17-02-2018, 08:45
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#13
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Registered User
Join Date: Nov 2016
Location: Gulf Coast of FL
Boat: Pearson
Posts: 408
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Re: Varnishing exterior wood in Florida and Caribbean
Use epifanes, made in holland, spendy but top shelf for fl. you should get 5+ yrs.
__________________
Ken Z
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17-02-2018, 08:55
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#14
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Registered User
Join Date: Jun 2012
Location: where pelicans fly
Boat: IP32 ~Whimsy~
Posts: 249
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Re: Varnishing exterior wood in Florida and Caribbean
We live in SW Florida. I use Epifanes on our Island Packet. It turns out beautiful but requires 2 coats a year to maintain it. That is after the initial 10 coats. Once you get past that first (painful) 10 coats, it really is easy to maintain with just the 2 coats a year.
I usually tape, lightly sand (with 320), and wipe with an old wash rag the first day. Then the second day I use a tacky cloth, wipe with mineral spirits, and then varnish....wait another day, do a second coat, and take off the tape.
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17-02-2018, 08:58
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#15
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Now on the Dark Side: Stink Potter.
Join Date: Aug 2003
Location: Palm Coast, Florida
Boat: Sea Hunt 234 Ultra
Posts: 3,971
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Re: Varnishing exterior wood in Florida and Caribbean
I had my sailboat in Fort Lauderdale for 14 years.
Tried various products for the cap rails and external trim pieces. 2-part stuff like Bristol Finish will stay shiny longer than varnish, but does crack at the joints, then let water in and the product will lift and bubble.
2007 I stripped all old varnish off and built up from good clean teak using Epifanes. Initially 13 coats. After 12 months it would start to go dull with hairline cracks at the surface. Light sanding, lots of taping and 5 maintenance coats would buy another year. Did the above every year until I sold the boat in 2013.
Based on my experience varnish will last maximum 1 year in Florida.
Less in the Caribbean with even stronger sun.
My next 2 boats had no external teak, not even a toothpick.
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