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Catalina/Capri 25/250 Sailor's Forums

General Sailing Forum

Removing my ablative paint

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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 03/15/2008 : 08:08:06

Because VC17 is highly evaporative, it dries before you can blink, after pouring in the copper power and stiring it thoroughly, I put the paint can lid back on. Using my mixing screwdriver, I pierce the lid on opposite sides to facilitate pouring, then while painting, I only pour enough paint in the paint tray that I'll use in the next few minutes. I also use a small foam roller and a narrow paint tray.

Using this technique also conserves paint in that when you inadvertently kick over the paint tray or can, you don't lose the majority of your expensive paint.

Edited by - on

dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 03/15/2008 : 08:38:46

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by Nautiduck
 A C250 is modern enough that blistering is not going to be an issue. You don't need a barrier coat.<hr height="1" noshade id="quote"></blockquote id="quote">

If that's so, I wonder why Catalina Yachts only provides a limited 5 year warranty against below the waterline gelcoat blistering and, correct me if I'm wrong, provides factory applied barrier coats?

One more thing, in the picture below, guess which model of boat was afflicted. I'll give you a hint, you own one.

Edited by - on

wade
Deckhand

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Canada
17 Posts

Response Posted - 03/15/2008 : 09:06:37

Go to the home depot and buy zep degreaser and using a spray bottle, spray it on the use a pressure washer after a few minutes. This will dissolve the paint and it will come off easily.

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Nautiduck
Master Marine Consultant

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USA
3704 Posts

Response Posted - 03/15/2008 : 09:59:36

Steve, the VC17M will change color throughout. It will look uniform. Ditto the comments about how this stuff evaporates. I mix it in a plastic container and keep the lid on. Only pour enough into the tray to wet the the roller for that one roll. 3 quarts did two coats on my C250 with three coats along the waterline and leading edged of the rudder and keel. 4 quarts should do what you need.

Manufacturers figured out what caused blistering of boats. It was a combination of the resins and layup processes they used. Boat builders have essentially resolved this. Blisters are a rarity on newer boats.

Edited by - Nautiduck on 03/15/2008 10:08:07

ClamBeach
Master Marine Consultant

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3072 Posts

Response Posted - 03/15/2008 : 10:28:03

"highly evaporative, it dries before you can blink"

Most of the bottom paints I've used are that way.

In general, be sure to have some of the recommended thinner handy to keep things from getting too 'goopy'...
Pour the paint you're working with into another can and leave the bulk of the paint sealed from the atmosphere until you need it.

Make sure you have plenty of fresh air, and wear chemical proof gloves. This stuff is pretty nasty.

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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 03/15/2008 : 10:47:10

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by ClamBeach
 "highly evaporative, it dries before you can blink"

Most of the bottom paints I've used are that way.<hr height="1" noshade id="quote"></blockquote id="quote">

Of all the bottom paints I used, when it comes to evaporation, nothing comes close to VC!

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Nautiduck
Master Marine Consultant

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USA
3704 Posts

Response Posted - 03/15/2008 : 11:11:31

<blockquote id="quote">quote:<hr height="1" noshade id="quote"> Because VC17 is highly evaporative, it dries before you can blink<hr height="1" noshade id="quote"></blockquote id="quote">

It's almost funny how fast it evaporates, except that it costs $50 a quart!!

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stampeder
Master Marine Consultant

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1608 Posts

Response Posted - 03/15/2008 : 12:30:27

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Dave Bristle
Master Marine Consultant

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Djibouti
10005 Posts

Response Posted - 03/15/2008 : 13:16:01

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by stampeder
 I put two coats of hard paint on my boat. Still looks great. Will have to touch up the rudder a bit though.<hr height="1" noshade id="quote"></blockquote id="quote">You must not need antifouling... Hard paints lose their antifouling properties after as little as a few weeks in air, whereas ablatives work as long as they're on the boat, even when dry over the winter.

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stampeder
Master Marine Consultant

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1608 Posts

Response Posted - 03/15/2008 : 14:36:20

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by Dave Bristle
 <blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by stampeder
 I put two coats of hard paint on my boat. Still looks great. Will have to touch up the rudder a bit though.<hr height="1" noshade id="quote"></blockquote id="quote">You must not need antifouling... Hard paints lose their antifouling properties after as little as a few weeks in air, whereas ablatives work as long as they're on the boat, even when dry over the winter.
<hr height="1" noshade id="quote"></blockquote id="quote">
I don't.
We sail on a resevoir. The water comes in from the Rocky Mountains, about 20KMs away, travels the length of the resevoir at a speed of about 2knots, then exits over a damn or into another smaller river. There isn't a chance for much to grow in this water - its either in transit or its too damn cold.

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Steve Blackburn
Master Marine Consultant

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Canada
1091 Posts

Response Posted - 03/15/2008 : 15:05:56

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by Steve Blackburn
 <blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by stampeder

I bought this piece of crap last summer. Made by Simoniz, it frustrates me every time I use it. It falls over, it blows fuses, it does not dispense the soap from the soap dispenser, it's pressure is no-where near the pressure it claims to have. Simoniz Model S1900.
Steve - the one you have looks good, where did you buy it. I feel like hurling mine through the store window where I bought it.

I put two coats of hard paint on my boat. Still looks great. Will have to touch up the rudder a bit though.

<hr height="1" noshade id="quote"></blockquote id="quote">

Mike, I bought it at Canadian Tire. But go to their web site first and print out the sales price on that model. In stores they have the other 2500 PSI for $399 (droped from $499) but not this 2200 PSI model. Had to bring in the printed copy from the web site (they don't have internet at Canadian Tire!). I bought it before it would go up again, $300 was my limit. I studied the brands and types (electric vs gas) and all pointed to this model. Excellent sturdy pump and reliable engine. All said that electric models don't output nearly as much as their gas counterparts (of the same PSI).

If you want to come by and check it out this weekend you're welcomed too. I can also show you the results on my hull. I have to admit that maybe going with a 3000 PSI wouldv'e taken all the paint away but again I'm happy that it leaves only a very thin amount so I can finish it off manually. Almost perfect if you ask me. I live in Coventry Hills. My email is steveblackburn*NOSPAM*@shaw.ca so I can send my full contact info. take out the *NOSPAM*
<hr height="1" noshade id="quote"></blockquote id="quote">

EDIT!!!!: I just went to Home Depot and they have a special on a 3000 PSI Homelite Pressure Washer with Subaru engine. The thing looks twice as sturdy as the one I just bought. Same price $299. I'm going to go have it refunded right now and buy the homelite.

Edited by - Steve Blackburn on 03/15/2008 16:07:42

Steve Blackburn
Master Marine Consultant

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Canada
1091 Posts

Response Posted - 03/15/2008 : 15:14:35

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by wade
 Go to the home depot and buy zep degreaser and using a spray bottle, spray it on the use a pressure washer after a few minutes. This will dissolve the paint and it will come off easily.
<hr height="1" noshade id="quote"></blockquote id="quote">

Nice, I read about it:

Zep All Purpose Cleaner & Degreaser can be used full strength or diluted as needed. Removes tough grease or grime on kitchen appliances, laminate countertops, ceramic tile, auto wheels and tires. This product also works great on fiberglass, porcelain, stainless steel toilets, painted surfaces, stained or urethane finished surfaces such as cabinets, baseboards & no-wax vinyl.

Going to buy some right now and report on the results.

Edited by - Steve Blackburn on 03/15/2008 15:29:26

OLarryR
Master Marine Consultant

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USA
3440 Posts

Response Posted - 03/15/2008 : 17:26:49

Not on ablative paint (though I have that on my boat bottom) story.

Just a little ...actually long story concerning the Sears gas powered pressure washer I bought a couple of years ago for cleaning the house siding. I brought the unit home, read the instructions and then hooked it up and began using it. The most important thing when using a gas powered pressure washer is to ensure the water is turned on to the unit. That is because the unit will overheat if the water is not on. These units have a built-in safety valve so if you keep it running for awhile without pressure washing, the valve opens up inside the unit and prevent the unit from overheating.

Everything was going fine as I was using the unit (about a week after I bought it) and then while the unit was running, the water coming out the pressure washer handle went dead. So...maybe I waited a few seconds trying to figure what out what happened but then turned the unit off. I then discovered that around the house near the faucet, the hose split and that was why I was not getitng any flow. My hose was kind of deteriorated since I hardly ever use it since I installed myself an underground sprinkler system for the lawn. So...first mistake was using an old hose and not checking it out thouroughly before starting presure washing.

Second mistake: When I discovered the hose had a big tear in it, I quickly hooked up another hose that I had in the garage and once installed, immediately restarted the pressure washer. I should have waited until the pressure washer cooled down. What this did was send a cold water through the pressure washer unit. The unit ran for about 10 seconds and then went "Boing !" and the whole bottom part of the pressure washer unit dropped off the unit. The bolts had snapped from being cooled too quickly after being overheated.

I called Sears and told them my unit went "Boing !". They asked me if I had my water from the house on at the time.....well Yeah I told him I did ! It was on ! I guess the question to have asked was if the water was on and was getting to the pressure washer...well it wasn't but he did not ask me that. Anyway, I borought it back and they gave me a new one and the way they did that was...to refund me on the old one and ring up the new one as though it was a new purchase. Turns out the day I brought it back, they were having a sale - If you spent over a certain amount, then they gave you a $25 gift coupon. So, then I used the $25 coupon and bought a new hose !!

Edited by - OLarryR on 03/15/2008 17:32:03

Steve Blackburn
Master Marine Consultant

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Canada
1091 Posts

Response Posted - 03/15/2008 : 19:26:12

Well I brought back the Briggs & Stratton and bought the Homelite 3100 PSI for $300. Just finished the startboard side of the boat and can say it's a little faster but not much. Still I'm happy to have it as it's much more sturdier, engine is quieter too.

Tried the Zep (diluted in water) didn't do anything. Will try undiluted next time.

Maximum Pressure 3100 PSI (lbs./in.²)
Maximum Water Flow 2.7 GPM (gal./min.)
Maximum Water inlet Temperature 104°
Pump Type 3 piston,
Axial Cam
Engine 4-Cycle Subaru EX21
Horsepower 7.0 HP
Type OHC (chain drive overhead cam)
Starter Type Recoil with Easy Start
Storage Compact Twist n' Store
Weight 80 lbs.
Warranty 3 Year: Costumer
1 Year: Commercial

Edited by - Steve Blackburn on 03/22/2008 02:18:38

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