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Old 01-10-2012, 21:26   #1
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Painting simulated lapstrake hull?

I have a taiwan built boat with grooves in the hull to simulate the look of lapstrake.

Painting it may be a problem, I was thinking of roll and tip, but I would need a brush to get in the grooves.
Spray may also be difficult.
Anyone with experience?
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Old 03-10-2012, 17:30   #2
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Re: Painting simulated lapstrake hull?

Yes, I have painted many boats with faux strakes. You are absolutely correct about painting it, it is a serious PITA. If you roll and tip you have to tip horizontally instead of the proper vertical tip, this will result in hangers unless you are extremely careful. It also slows you down enough that brush strokes are likely to result as well. Spraying is just as tricky, as you need to spray the coves from more than one angle to get good coverage, but this often results in too much paint in the cove resulting in hangers on the bottom edge of the cove. I find best results are achieved by spraying with conventional, not HVLP, equipment. Really dial up the air cap pressure but keep fluid tip pressure the same, you will waste a lot of paint on overspray but should be able to lay down just enough paint for flow on each coat without developing hangers on the coves. It's tricky, be ready to do it more than once or live with some hangers. Consider using Awlcraft, it is easiest to wet sand and buff hangers out of.
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Old 03-10-2012, 18:26   #3
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Re: Painting simulated lapstrake hull?

sounds like a real PITA. However, since the hull surface is broken up by the lines, I suppose a few errors will not show as much as if it was one big flat surface. Anything will be better that the layers of peeling paint that was on it, most of it is scraped off now.
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Old 03-10-2012, 18:31   #4
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Re: Painting simulated lapstrake hull?

I've wondered this also, glad you asked. I would have thought that doing each "plank" horizontally would be easier than having to do the larger area pronto..
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Old 03-10-2012, 18:42   #5
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Re: Painting simulated lapstrake hull?

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Originally Posted by Cheechako View Post
I've wondered this also, glad you asked. I would have thought that doing each "plank" horizontally would be easier than having to do the larger area pronto..

There are a few problems with this theory. Often the false plank lines will stop at the bow and/or stern, to represent a stem rabbet or just because it looke better that way. If you just painted each "plank" separately you would have a tape line at the end of each one that would look all wrong. Even tape lines in the coves are surprisingly obvious, I have done this before when shooting a repair on part of a hull with false plank lines many times. I would rather wet sand and buff a blend on smooth surface than leave a tape line anywhere.
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Old 03-10-2012, 20:12   #6
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Re: Painting simulated lapstrake hull?

G'Day all,

I'm confused, and think that we may be talking about two different things here: Lapstrake and faux plank lines ain't the same in my book! But, I bet that they are both a PITA to paint!

An aside: I've always been amused by the fact that folks with real planked timber boats sweat blood trying to get the caulking seams to disappear leaving a smooth surface unmarred by lines. Yet folks designing f/g hulls put in faux lines to make their perfectly smooth hulls look like poorly maintained timber. Go figger??

Cheers,

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Old 03-10-2012, 20:50   #7
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Re: Painting simulated lapstrake hull?

Anyone halfway decent should be able to do a good job on spraying whether conventional or HVLP.
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Old 03-10-2012, 21:11   #8
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Re: Painting simulated lapstrake hull?

Eastern Ontario?
Cold, wet?
Just let the boat get dirty, let the mold grow in the dirt on the grooves.
Ees Seemple!
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Old 05-10-2012, 13:33   #9
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Re: Painting simulated lapstrake hull?

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Originally Posted by minaret View Post
There are a few problems with this theory. Often the false plank lines will stop at the bow and/or stern, to represent a stem rabbet or just because it looke better that way. If you just painted each "plank" separately you would have a tape line at the end of each one that would look all wrong. Even tape lines in the coves are surprisingly obvious, I have done this before when shooting a repair on part of a hull with false plank lines many times. I would rather wet sand and buff a blend on smooth surface than leave a tape line anywhere.
Yes, that is the problem with mine as well, the lines stop at the bow 'stem' and also stop at the waterline. you can see that on the pictures.
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Old 05-10-2012, 14:52   #10
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Re: Painting simulated lapstrake hull?

treat the not lapstrake but planked looking boats--lapstrake is overlaping planks..as if you are painting a wood boat--longitudinally. no tape. the paint will flow into the creases nicely, just as it does with wood. i painted a woodie with epoxy paint with excellent results--yes we used brushes and it looked like sprayed. i have a formosa--same thing as yours as far as the planked boat build look--is NOT lapstrake in looks.
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Old 05-10-2012, 16:03   #11
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Re: Painting simulated lapstrake hull?

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Originally Posted by Jim Cate View Post
G'Day all,

I'm confused, and think that we may be talking about two different things here: Lapstrake and faux plank lines ain't the same in my book! But, I bet that they are both a PITA to paint!

The problems for both are the same, you can't tip vertically and the geometry creates a lot of places that paint wants to hang, ie the radius of each lap and the cove just under it. Totally doable, just requires practice and the right conditions. Not as easy as a smooth hull by any means.

An aside: I've always been amused by the fact that folks with real planked timber boats sweat blood trying to get the caulking seams to disappear leaving a smooth surface unmarred by lines. Yet folks designing f/g hulls put in faux lines to make their perfectly smooth hulls look like poorly maintained timber. Go figger??

The faux lines really bring out the hull shape. They are a PITA, but they can look very nice. Proper striping on a smooth hull can have a similar effect. I've made many a boat look totally different by changing the boot stripe to add an accent stripe, making the sheer stripe wider, adding pinstriping, etc. etc.

Cheers,

Jim

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Old 05-10-2012, 16:08   #12
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Re: Painting simulated lapstrake hull?

waiting with bated breath for those, minaret!!! wanna see !!!! you do great boat!!!
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Old 05-10-2012, 17:11   #13
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Zee, I agree that it is not lapstrake, I just did not know how to describe it.
I am concerned about the paint building up in the grooves. I think I should paint the lines first, then do proper roll and tip on the rest.
How are others doing it?
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Old 05-10-2012, 17:37   #14
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Re: Painting simulated lapstrake hull?

a good brush will get the excess out of the grooves, just like with woodies we painted with brushed interlux--worked great. didnt fill the grooves. paint horizontally, not vertically, as if it had a grain...dont load brush too full ... i never sprayed a boat before--only brush painted....or rolled bottom paint...
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