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05-06-2019, 12:23 PM
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#1
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Senior Member
City: La Conner, WA
Vessel Name: Agnus Dei
Vessel Model: 36' Shin Shing
Join Date: Sep 2014
Posts: 276
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Teak deck coatings on old trawlers
Hi All,
After deciding I don’t have the time or money to rip up the teak decks, I tried Durabak. We prepped the decks down to sanded wood, cleaned per instructions and put on 2 coats of clear. Looked like a million bucks! After the winter however, I have spots that are opaque and not clear. These are areas that have disbonded from the teak. The 2 coat covering is still there and intact, just not bonded to the deck. It’s still doing it’s job... keeping the water out. We may have made a bad decision going with clear.
What have you used, how did it stick, how long did it last and are you happy with it? Please do not respond with all the reasons I have done the wrong thing in your opinion.... I’ve read every thread on the subject. Hope the picture comes through.
The manufacturer DID say they didn’t know about the teak, because of its oily nature. Can’t hold them responsible.
Dave
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05-06-2019, 01:50 PM
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#2
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Guru
City: Vallejo, California
Vessel Name: Mahalo Moi
Vessel Model: 1986 Grand Banks 42 Classic
Join Date: Jun 2008
Posts: 2,093
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Your manufacturer was correct. Teak is full of oils and resins. I’m surprised you got a year before the covering failed. The PO of our boat put a form of Cetol on the decks a couple of years before we took over her care. It held up fairly well, but eventually failed (due to nature of teak). Plus, I personally don’t like the look of teak with a “sealer”. Check out the Cetol brand of products.
I like the look of gray/silver teak. Sanding frequently to maintain the honey color of freshly milled teak will remove too much wood over a short period of time. Maintain the seams and bungs and the deck will outlast the rest of the boat.
__________________
Ray
"Mahalo Moi"
1986 GB-42 Classic
ΜΟΛΩΝ ΛΑβΕ
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05-06-2019, 02:52 PM
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#3
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Guru
City: Szczecin
Vessel Name: Dryade
Vessel Model: Trawler 72
Join Date: Mar 2012
Posts: 738
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You will certainely said : heretical !!
But we are not fan of the teak, on our last boat we start to...remove it !!
Save, at less, 580kgs at an average height of 1.80 m above the water line.
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05-07-2019, 10:08 PM
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#4
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Veteran Member
City: Benicia, California
Vessel Name: Lucky Star
Vessel Model: Ho Hsing
Join Date: Oct 2015
Posts: 74
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Teak deck coatings on old trawlers
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05-08-2019, 12:27 AM
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#5
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Guru
City: Sydney
Vessel Name: Sojourn
Vessel Model: Integrity 386
Join Date: Oct 2011
Posts: 13,329
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I once painted a cast iron and teak timber slat garden seat. Primer, undercoats, 2 top gloss coats. Wow,looked beautiful. Until it all lifted and peeled.
I`m a fan of Deks Olje. And of doing as little violence as possible to teak,just enough to keep it from ridging.
__________________
BruceK
2005 Integrity 386 "Sojourn"
Sydney Australia
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05-08-2019, 01:12 AM
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#6
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Moderator Emeritus
City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,185
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PMM had an article on cooatingg teak decks with truck bed liner many years ago. I spoke to the owner about 5 years later and he said he had no issues with it and it was holding up well.
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05-08-2019, 10:31 AM
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#7
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Senior Member
Vessel Model: Currently Boatless
Join Date: Jan 2008
Posts: 397
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I use Semco to seal my decks. I like the natural or clear color. It soaks into the teak deck and looks really nice. I problem is I’m only getting about 3 to 4 months out of it and I need to re-coat the areas that are in the sun. Shady areas last much longer.
I just asked some workers what they were using on their hardwood deck at a hotel. They use Bona Decking Oil and say it lasts a year. This deck in in Mexico, lots of sun, heat and wear. Has anyone used Bona Decking Oil on their teak deck? Any suggestions that give a nice look but last longer than Semco?
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05-08-2019, 01:25 PM
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#8
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Guru
City: Trenton
Join Date: Apr 2012
Posts: 1,522
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I let Angelina go grey with highlights of Cetol.
__________________
Al Johnson
34' Marine Trader
"Angelina"
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05-08-2019, 02:16 PM
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#9
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Moderator Emeritus
City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,185
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I just used Semco on my newly refinished teak decks. Since we are in Michigan and the boat is inside half the year I think it will last pretty good.
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05-08-2019, 05:50 PM
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#10
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Guru
City: Narragansett Bay
Vessel Model: Grand Banks 36 Classic #715
Join Date: Sep 2016
Posts: 1,857
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Any concerns about Cetol or Simco causing the bond between the teak and the caulking to deteriorate?
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05-08-2019, 06:29 PM
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#11
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Moderator Emeritus
City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,185
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I used TDS 440 caulk for the seams. I spoke to TDS support before I sealed the deck. With Semco TDS said to put the sealer on and then wipe it off the caulking right away since it has Mineral Spirits in the Semco. We did as directed and it looks fine but time will tell.
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05-08-2019, 07:30 PM
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#12
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TF Site Team
City: Jacksonville
Join Date: Nov 2008
Posts: 11,681
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Quote:
Originally Posted by Cigatoo
Any concerns about Cetol or Simco causing the bond between the teak and the caulking to deteriorate?
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Not that we’ve experienced. We’ve been using Semco for 20 years with no seam issues. Semco is not a magic deck treatment. It does help keep the natural oils in the teak which helps keep the dirt out and preserve the soft grain.
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05-09-2019, 05:11 AM
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#13
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Guru
City: Szczecin
Vessel Name: Dryade
Vessel Model: Trawler 72
Join Date: Mar 2012
Posts: 738
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Quote:
Originally Posted by Cigatoo
Any concerns about Cetol or Simco causing the bond between the teak and the caulking to deteriorate?
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On our Doggerbank we used a "teak oil'" from Star Brite...it was a big mistake
quickly the seal was deteriorated !
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05-13-2019, 01:05 PM
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#14
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Senior Member
City: North Vancouver
Vessel Name: INFINITY ∞
Vessel Model: Nordhavn 62
Join Date: Dec 2010
Posts: 249
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Hi Dave,
We use Semco on INFINITY.
It has to be removed and reapplied around every 4 months, so it's a lot of work but we like the look. These teak decks are 18 years old.
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05-13-2019, 01:09 PM
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#15
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Veteran Member
City: Charlton N.Y.
Vessel Name: Short Handed
Vessel Model: Sundowner 30’
Join Date: Feb 2012
Posts: 45
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After going through many many hours of scraping, sanding, and routering out the caulk between the strips of teak on the deck and then sanding the surface level I have had very good success with Teak Guard. It goes on like water and can be recoated at any time without any fussiness. Although my boat, a 30’ Sundowner tug/trawler, is in my barn for 8 months of the year, I live in the Northeast, I’ve only had to recoat it once in the last 5 years. It isn’t as pretty as varnish but in my opinion is much prettier than gray. It is not a sealer and when wet it does get dark but seems to dry without a problem. Best of all if you don’t like it you can just stop recoating and let it go to gray without any work.
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05-13-2019, 01:44 PM
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#16
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Veteran Member
Join Date: Aug 2012
Posts: 25
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Check out my post on thread about Tired Teak Deck.... We live in rainy Alaska and we used SaniTread over our decks. It is a catalyzed product. has the durability of a tire. It has been a couple of years and it is amazingly great!
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05-13-2019, 02:15 PM
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#17
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Member
City: Wimauma
Vessel Name: My Chele
Vessel Model: Mainship Pilot 30
Join Date: Mar 2018
Posts: 22
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Durabak
Used it on my sailboat. Extremely durable and long lasting. Great nonskid. Followed the directions very carefully and never had any issues. Color was very consistent. Had to work quickly in the Florida heat when putting it down.
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05-13-2019, 02:41 PM
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#18
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Guru
City: San Francisco
Vessel Name: Speedy Charlotte
Vessel Model: Beneteau Swift Trawler 44
Join Date: Oct 2016
Posts: 679
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Teak deck coatings on old trawlers
We use Semco. It needs a fresh coat every 5 months or so. The nice thing is it doesn't flake off or anything, so adding a fresh coat isn't a major project. We simply give the deck a good scrub with the Eco-100 teak cleaner from Teak Decking Systems, which is a non-acidic and environmentally friendly cleaner. Then we put a fresh couple of coats of Semco, which is very thin and is very easy to apply. We use a wide brush to apply, then we wipe it with a tag.
https://www.teakdecking.com/eco-100-...leaner-powder/
When you use the Eco-100, you don't ends up with a fresh new teak surface like you do with the harsh acidic cleaners, but you do end up with a clean enough surface to apply a fresh coat of Semco. And on the plus side, you will enjoy longer life from your teak decking.
You can also mix the different Semco tones to get something that's just right. I think I mixed the Natural and Goldtone 50/50 last time and really liked the result.
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05-13-2019, 04:02 PM
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#19
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Member
City: Baltimore/Florida
Vessel Name: HeinSite
Vessel Model: Defever 43
Join Date: Aug 2010
Posts: 17
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We used a product called Tuff Coat. It’s a rubberized paint with non-skid particles. We applied it about 7-8 years ago. It was wonderful! Stopped the leaks immediately. But I think we’ll have to recoat this year. I see some hairline cracks developing where the old grout lines are. Great stuff, totally DIY and one can paint over it if you don’t like the cover.
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05-13-2019, 06:02 PM
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#20
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Member
City: Lake City, Mn
Vessel Name: DULCE
Vessel Model: Grand Banks 36 Classic
Join Date: Feb 2013
Posts: 18
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Teak deck
Leave it alone. Let it turn grey. That’s the best footing you can get. No stiff brushing. It further gouges the teak allowing bacteria to grow in the small crevasses caused by brushing. Once or twice a summer, on a bright sunny day, I apply a light mixture of Oxiclean/water, swab it on, let the sun hit it for a few hours then lightly rinse. I’m mean rinsing, not a hose end nozzle sprayer. Just let water run over the deck rinsing the residual Oxiclean. I’ve owned the boat since 2012. My decks are 41 years old without leaks.
I talked with a fellow live aboard this year & they use a light mixture of Johnson’s soap/water, swabbed on then rinsed.
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