I guess it's time to come out of the closet!Bartender 24

Designs for inboard or outboard power

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billy c
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Re: I guess it's time to come out of the closet!Bartender 24

Postby billy c » Thu Jun 21, 2018 5:30 am

Wow that really has gone bad. The product you used is pretty proven too. I am wondering if heat and fairly dark colors break down the epoxy then we lose the protective top coat.
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Bill Edmundson
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Re: I guess it's time to come out of the closet!Bartender 24

Postby Bill Edmundson » Thu Jun 21, 2018 6:17 am

Billy

I just don't know. I suspect the heat and sun combination. I keep the boat down on the Gulf coast. It comes off in thick sheets. I think some of the problems come from thermal expansion relative to the sub-deck. I may have to say the hell with the planking, which I love, go with a painted deck.

More to come.

Bill
Mini -Tug, KH Tahoe 19 & Bartender 24 - There can be no miracle recoveries without first screwing up.
Tahoe 19 Build

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Roberta
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Re: I guess it's time to come out of the closet!Bartender 24

Postby Roberta » Thu Jun 21, 2018 6:32 am

What about screwing the decking down and use a hand rubbed finish?

Roberta
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Milhouse
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Re: I guess it's time to come out of the closet!Bartender 24

Postby Milhouse » Sat Jun 23, 2018 8:36 am

Bill,

I'm so sorry that this happened. This really is a bummer!

I'd love some more detail to try and get to a root cause.

How thick was the planking?
How was it fastened to the sub deck?
What was the sub deck made of?
Are the planking cupped or lifting or just the finish?
How has the seam filler held up?
Did you stain the planks before epoxy if do with what?
What did you use for seam filler?
Can you detail the order of applying the seam filler (eg was it epoxies over or just vanished over or neither)?
How many coats of epoxy on the deck?
Did you hot coat or sand between costs of epoxy?
How log did you let epoxy cure before varnish?
How many coats of varnish?
How many years old is the varnish job?
How long was she in the sun?
Was she in the rain a lot?
Did standing water collect on the deck?

I truly am sorry but hopefully with some more analysis we can prevent this from happening to others.

Truly heart wrenching.
Jim
16' Ski Boat Restoration
17' Overnighter Sloop

I'd rather have a $h!tty meal than an $h!tty resume because a totally awesome resume will feed me steak one day - Steve Poltz

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kens
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Re: I guess it's time to come out of the closet!Bartender 24

Postby kens » Sat Jun 23, 2018 9:46 am

Bill,
is that the planking coming up, or is it the top coat of finish?
it hard to see in the picture.
Oak is over rated, everything about it takes extra time; then it warps, splits or checks !!! :roll:

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Bill Edmundson
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Re: I guess it's time to come out of the closet!Bartender 24

Postby Bill Edmundson » Sat Jun 23, 2018 10:04 am

Jim
Wow! This is a full list. I'm still investigating.

The decking is 1/8" thick over a fiber-glassed, 3/8" sub-deck. It was epoxied down and I uses brads into the frame members. No stain.
The boat is exposed to full sun and rain. I'd say extreme exposure.
I'm still looking. I haven't noticed cupping yet.
It looks like UV exposure of the epoxy. It's the entire coating, down to the wood.
Some of the Caulking is turning loose. I wanted 3M4000UV. But, I couldn't get enough black. So, I went with Sika 291. At work we had always had good result with Sika.
Deck drains well.
It was 3 coats of epoxy and 3 coats of high build varnish, per directions. Plenty of epoxy cure time.
The decks were epoxied and varnished before the caulk.
The boat was first plashed at G-10, 9/2016.

Ken
Some of the planking is coming loose. Butch and I were talking last night. I may just pull the planking and go with paint!
:? Bill
Mini -Tug, KH Tahoe 19 & Bartender 24 - There can be no miracle recoveries without first screwing up.
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Milhouse
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Re: I guess it's time to come out of the closet!Bartender 24

Postby Milhouse » Wed Jun 27, 2018 2:38 pm

Thinks for the info Bill

I guess the moral of the story is just to keep it out of the elements while in storage if possible?
Jim
16' Ski Boat Restoration
17' Overnighter Sloop

I'd rather have a $h!tty meal than an $h!tty resume because a totally awesome resume will feed me steak one day - Steve Poltz

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Bill Edmundson
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Re: I guess it's time to come out of the closet!Bartender 24

Postby Bill Edmundson » Tue Jul 10, 2018 1:56 pm

I managed to get a work place, under the condo. I scraped the roof and had to let air out of the tires. The desk is a real mess. The varnish is all peeling. The caulk is strange. Some of it is gooey like tar. Some of it just falls apart. Anyway, I think it is UV breakdown.

Bill
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Re: I guess it's time to come out of the closet!Bartender 24

Postby mrintense » Wed Jul 11, 2018 5:43 am

Sorry to hear about these troubles Bill. I know it has to be disheartening. Thankfully you found a sheltered area to work on it, but I think you will need some good knee pads! :D :D
Carl
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Bill Edmundson
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Re: I guess it's time to come out of the closet!Bartender 24

Postby Bill Edmundson » Wed Jul 11, 2018 3:29 pm

Carl

Knee pads I got. The caulk has me baffled. Some of it is gooey as hell. Two or 3 inches later it's crunchy. Then it is what it should be. The gooey gets on everything, mineral spirits cleans it right up. Just brush off the crunchy stuff. The good stuff ain't coming out! The gooey wash off of me with bar soap and water.

The varnish was Pettit High Build. It looks like UV damage on the planking. I used Interlux 2- part PU on the railing. It's fine.

Bill
Mini -Tug, KH Tahoe 19 & Bartender 24 - There can be no miracle recoveries without first screwing up.
Tahoe 19 Build

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billy c
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Re: I guess it's time to come out of the closet!Bartender 24

Postby billy c » Wed Jul 11, 2018 4:56 pm

yes, that caulk is not rated for deck seams. that 4200 is. strange that the Sika would turn to goo though. I had similar looking edges of the deck boards where the LPU topcoat had let go of the epoxy surface below. Not much fun, still cleaning mine up too.
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Bill Edmundson
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Re: I guess it's time to come out of the closet!Bartender 24

Postby Bill Edmundson » Wed Jul 11, 2018 5:27 pm

Billy

You're right I screwed up. In Jamestown's video I missed that they said 295 not 291. :oops: I wanted 3M4000UV. But, the black was on a long backorder. I gave up.

BTW: 3M4000UV is now 3M3000UV.

Bill
Mini -Tug, KH Tahoe 19 & Bartender 24 - There can be no miracle recoveries without first screwing up.
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hoodman
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Re: I guess it's time to come out of the closet!Bartender 24

Postby hoodman » Thu Jul 12, 2018 6:04 am

Bill, that really sucks. I guess the caulking failing exposed the edges of the planks to UV causing the peeling along the edges of the planks?

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Milhouse
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Re: I guess it's time to come out of the closet!Bartender 24

Postby Milhouse » Sat Jul 14, 2018 1:11 pm

Bill - That is a bummer but I'm glad you were able to find out what the issue was.
Jim
16' Ski Boat Restoration
17' Overnighter Sloop

I'd rather have a $h!tty meal than an $h!tty resume because a totally awesome resume will feed me steak one day - Steve Poltz


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