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 advice on painting aluminum radar arch
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RO# 396

Posted - Sep 16 2010 :  14:44:09  Show Profile  Reply with Quote
I have a Carver 370 Aft Cabin I want to paint the aluminum radar arch. Now I have had many opinions that this is not something that can be done with a brush. I was looking at topside paint (polyurethane) and applying with a brush. The advice I was given was to take it to the boat yard and have it masked and sprayed that was the only way it would look good. There are many other upgrades that could be done with that money. Can you paint a radar arch with a brush and have it look good???

Homeport: Charleston, SC


RO# 9099

Posted - Sep 16 2010 :  14:59:33  Show Profile  Reply with Quote
You can roll it and tip it and it will look pretty good. Make SURE you use the right primer and don't miss any spots.

If it's an aluminum arch why in the world would you want to paint it? Polish it up and wax it.

The French fries are cold so we gave you extra.

Homeport: GULF SHORES AL. Go to Top of Page

carver 2557

RO# 11591

Posted - Sep 16 2010 :  14:59:37  Show Profile  Reply with Quote
Have a look here. Might answer your questuion..

Homeport: Go to Top of Page

Audrey II

RO# 30499

Posted - Sep 16 2010 :  16:19:46  Show Profile  Reply with Quote
Please let us know what you decide to do and of coarse take before and after shots. I'm starting to get a little bubbling at the base of my arch and at some point I will have to take action as well. Most of the boats I have seen like mine have the same problem. Mine has already been repaired once and they did a nice job but I didn't own the boat so I have no idea what or how they did it.
Good luck and keep us posted.


“Time you enjoyed wasting is not wasted time.” – T.S. Elliotcommon.

1996 440 Trojan Express

Homeport: Haverstraw, NY Go to Top of Page

370 Motoryacht

RO# 31959

Posted - Sep 16 2010 :  22:18:11  Show Profile  Reply with Quote
If I decide to keep my boat for another year I am having my arch and hardtop painted with either imron or awlgrip. I have fallen off the hardtop while buffing it and I don't want to go up there very often to wax it and keep it looking as nice as it should. The rest of the boat looks like a mirror, but the top of the arch and the hardtop are lacking. I am thinking of doing the sides of the hardtop and the arch smooth and add a non skid finish on the center of the hardtop for safety as well as easier prep.

1994 Carver 370 Motor Yacht
Twin 350 H.P. 454 Crusader Engines

Homeport: MI Go to Top of Page


RO# 385

Posted - Sep 17 2010 :  06:40:28  Show Profile  Reply with Quote
To paint aluminum, you must first etch, then alodine. No other way to do it right.

"The trouble with socialism is that you eventually run out of other people's money."... Margaret Thatcher

Edited by - GeeBee on Sep 17 2010 06:40:46

Homeport: Lake Lanier, GA Go to Top of Page


RO# 842

Posted - Sep 17 2010 :  06:53:51  Show Profile  Reply with Quote
wish I could figure out what causes that bubbling at the base.


Homeport: Gulf Coast FL Go to Top of Page


RO# 16492

Posted - Sep 19 2010 :  19:15:43  Show Profile  Reply with Quote
Originally posted by pdecat

wish I could figure out what causes that bubbling at the base.



Best Regards,

Saint Max
'99 330 Sundancer


Capitalism is to this administration what Judaism was to the Third Reich.

-- Me

Homeport: Hopewell, VA Go to Top of Page


RO# 396

Posted - Oct 11 2010 :  10:43:05  Show Profile  Reply with Quote
I finished the job!! It was not as hard as I thought it would be, but it was still a lot of work.
The first step was to sand the corroded spots down to the bare metal then sanded the entire arch with very fine sandpaper and I smoothed out any gouges in the existing paint.
Next I washed the entire arch with ammonia and water solution.
Next used a tack rag on the entire arch twice.
All of the bare spots were treated with alodine.
Then I treated the bare areas with metal 2 part primer Pettit 6455 Metal Primer
next painted with Pettit easypoxy
I used a 6 inch foam roller and a foam tipping brush.

Now for my mistakes!! I used a white instead of the off white. The white matches the interior vinyl but not the Gelcoat. I am going to wet sand and buff the gelcoat next weekend I hope that that will make it a closer match to the gelcoat.
after paint

B4 paint you can see the corrosion at the base

Homeport: Charleston, SC Go to Top of Page


RO# 12640

Posted - Oct 11 2010 :  12:11:31  Show Profile  Reply with Quote
Nice job

And always remember, life is not measured by the number of breaths we take, but by those moments that take our breath away.

George Carlin

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