Paint Stripping a Tinnie ???

Submitted: Monday, Jan 17, 2011 at 20:44
ThreadID: 83710 Views:13796 Replies:9 FollowUps:8
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G`day,
I would like to strip and re-paint my 12 ft aluminium boat which is over 30 years old but still a very good safe boat.
It was painted when new and has been painted again since but with poor preparation, so there are two coats of paint to remove.
Soda Blasting, same as sand blasting but using Bicarb Soda instead of sand, is the best method but it is very expensive to have done commercially, $1200 to $2300, which is about 2 to 4 times the value of the boat.

Anyone know of an economical method that will do a satisfactory job ??

Thanks in advance,

Scrubby.



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Reply By: Sir Kev & Darkie - Monday, Jan 17, 2011 at 21:17

Monday, Jan 17, 2011 at 21:17
G'Day Scrubby,

What about a heat gun and paint scraper??


Cheers Kev
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AnswerID: 442141

Follow Up By: Member - Scrubby (VIC) - Monday, Jan 17, 2011 at 21:38

Monday, Jan 17, 2011 at 21:38
Nah Kev, too much energy required, `sides I don`t want to buckle the aluminium.

How are things going up there in your area?

I heard that all the snakes have got footrot. LOL

Keep safe,

Scrubby.
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Reply By: Member - Rob S (NSW) - Monday, Jan 17, 2011 at 21:19

Monday, Jan 17, 2011 at 21:19
I just used paint stripper on mine,the paint was peeling of any way ,the paint stripper just helped it along.
Mind you i was also tipping my old brake fluid over it as well for a few months that loosend up the paint in places LOL.

Rob.
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AnswerID: 442142

Reply By: Madfisher - Monday, Jan 17, 2011 at 21:20

Monday, Jan 17, 2011 at 21:20
Have not tried it on aluminium but how about plain old paint stripper. May need to do it a few times but you are retired apart from fishing are you not.
Cheers Pete
AnswerID: 442143

Follow Up By: Member - Scrubby (VIC) - Monday, Jan 17, 2011 at 21:53

Monday, Jan 17, 2011 at 21:53
Thanks Rob & Pete,

I have just found that the local Automotive Paint outlet has got some whizz-bang paint stripper that is ok on aluminium and cleans off with water, called POR 15, apparently gets good results if left on for at least 30min then removed with a pressure washer.

Thanks Fella`s,

Scrubby.
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Reply By: bluefly - Monday, Jan 17, 2011 at 22:12

Monday, Jan 17, 2011 at 22:12
Scrubby

Having done this before, painting the boat that is, I think you’d be better off eloping with a flying Wombat!

Look, there are a few of the local blokes who’ll take you to the Nowa Howa pub and explain the evils of your thinking.

The last thing you’ll remember, after climbing out of a gum tree in the morning, is the boat!

Hope this helps. LOL

Cheers
AnswerID: 442150

Follow Up By: Member - Scrubby (VIC) - Tuesday, Jan 18, 2011 at 18:38

Tuesday, Jan 18, 2011 at 18:38
G`day bluefly,

At my stage in life it would be a waste of time eloping with anything.
My current Missus would say "good-bye and good-luck" so I reckon I`ll stick around and have a go at the boat.

Thanks anyway LOL,

Scrubby
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Reply By: Tim - Stratford (VIC) - Monday, Jan 17, 2011 at 22:37

Monday, Jan 17, 2011 at 22:37
Scrubby,


Seems a bit expensive for the soda blasting. A work mate is just starting off with a unit as a part timer - he's charging around $150/hour - I'm not sure how long a tinny would take but it was around $4000 to do an entire prime mover and chassis.

He's in Gippsland near me.

Tim - Stratford, Vic.
AnswerID: 442154

Follow Up By: Member - Scrubby (VIC) - Tuesday, Jan 18, 2011 at 18:42

Tuesday, Jan 18, 2011 at 18:42
G`day Tim,

The estimate I got was over the phone without the bloke seeing the boat so it would be off the mark a bit.

Thanks anyway,

Scrubby.
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FollowupID: 714300

Reply By: Member - Jason B (NSW) - Monday, Jan 17, 2011 at 22:52

Monday, Jan 17, 2011 at 22:52
Mate paint stripper and a pressure washer is the way to go.

If you can afford it (money you saved by stripping it your self) get it powder coated, it is the best and most durable finish for alloy. I had mine done at the local glass and aluminium place, most of the bigger one's powder coat there own windows and are happy to do bull bars, boats etc on the side.

Regards.
AnswerID: 442156

Follow Up By: Member - Scrubby (VIC) - Tuesday, Jan 18, 2011 at 18:44

Tuesday, Jan 18, 2011 at 18:44
Thanks Jason

Scrubby.
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FollowupID: 714301

Reply By: patsproule - Tuesday, Jan 18, 2011 at 06:09

Tuesday, Jan 18, 2011 at 06:09
I just had our ski boat trailer (20 ft long tandem Easy Tow) both sand blasted and powder-coated for $800 total. The results were fantastic. Is there a reason you have to use soda?

Pat
AnswerID: 442163

Follow Up By: Member - Scrubby (VIC) - Tuesday, Jan 18, 2011 at 18:53

Tuesday, Jan 18, 2011 at 18:53
G`day Pat,
Extreme care is needed if using sand, apparently it peens (spell) the surface sufficiently to stretch it, thus buckling it. Where as Soda is a much finer grit and does no damage, car restorers do carby`s , g`boxes etc with soda and there is no residue left, as it dissolves in water when washed.
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FollowupID: 714304

Reply By: Dasher Des - Tuesday, Jan 18, 2011 at 09:32

Tuesday, Jan 18, 2011 at 09:32
G'day Scrubby,

A few years ago, I bought an old Tinny that was covered in camoflage paint so decided to clean it off.
I started using paint stripper but it didn't work all that well and would reset quite hard and was using up more elbow grease than I had a supply of.
I went doen to the local hardware and bought a circular sanding disk that fits onto a 100mm grinder. They look a bit like a windmill as the sandpaper is in layers. When you see one, you will recognise it at once and they are not all that expensive. I only used one disk at the time but have used them for other jobs since.
Don't over do it as it will scratch the aluminium if you go too far past the paint although if your repainting it, you will need a rough surface to get the paint to stick.

Good luck.
AnswerID: 442176

Follow Up By: Member - Scrubby (VIC) - Tuesday, Jan 18, 2011 at 18:55

Tuesday, Jan 18, 2011 at 18:55
Thanks Des, I have those discs.

Scrubby.
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FollowupID: 714305

Reply By: DesF - Tuesday, Jan 18, 2011 at 16:18

Tuesday, Jan 18, 2011 at 16:18
Hi When working I used to detail a lot of bikes and mag wheels etc, we always used CRC Gasket Remover in the spray cans , can be bought anywhere at a reasonable cost, (Repco etc)
It's not much good for removing gaskets ,but a very good paint stripper , Magic.
It wrinkles the paint up ( much like brake fluid) and just wash off with the hose. found it good for rough finishes as well, Also good for taking off stickers and striping on plastic.
DO NOT let it get on anything you dont want stripped.
Cheers Des.
AnswerID: 442220

Follow Up By: Member - Scrubby (VIC) - Tuesday, Jan 18, 2011 at 19:00

Tuesday, Jan 18, 2011 at 19:00
G`day Des,

Thanks for the info, it may be a cheaper option than the paint stripper I mentioned earlier.

Much appreciated,

Scrubby.
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FollowupID: 714306

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