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 Post subject: Advice on frame spraying
PostPosted: Thu Sep 27, 2018 8:50 pm 
Retro Guru

Joined: Tue Feb 21, 2012 9:53 am
Posts: 847
Location: the shed
Any tips on stripping a frame ready for a rattle can respray?

I'm not looking for a perfect finish just presentable and protection against rust :)


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 Post subject: Re:
PostPosted: Thu Sep 27, 2018 9:56 pm 
Dirt Disciple

Joined: Sun Apr 30, 2017 7:01 pm
Posts: 63
Against rust - I assume its steel then. You could blowtorch + wire brush it off, sand it off, apply paintstripper, then if you really just want great protection and don't care what it looks like paint it with Rustoleum Combi-colour (better than hammerite used to be). Whatever you want, don't waste your time with rattle cans from Halfords etc - it will never be durable enough for a mountain bike.


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 Post subject: Re:
PostPosted: Thu Sep 27, 2018 10:31 pm 
Old School Hero

Joined: Sat Apr 15, 2017 12:26 pm
Posts: 210
If you search around, you will probably find all sorts of paint strippers described as the best, but I found that Wilkinson's paint stripper was absolutely fine - just follow the instructions. When the stripper had been given enough time to do its stuff, I took the paint off with a shave hook. Usually, there was some undercoat left after that, but it came off with wet and dry fairly easily. I could probably have left that on, though. The angles where tubes meet are the only fiddly bits.

Respraying sufficiently well to protect the frame and survive knocks is the tricky part and you could end up spending as much on spray paint as a cheap powder coater might charge. You will need undercoat - possibly two different types, depending on the final colour you want - spray of the colour you want, then lacquer. And probably more than one can of each. Because you have to spray from a distance, there's a lot of wastage.

Durability is the issue, then. Rustoleum might be worth a try (as mentioned above). Spray paint designed for alloy wheels should be pretty tough but I've never tried it to confirm that.

Good luck with it.


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PostPosted: Thu Sep 27, 2018 10:43 pm 
Gold Trader
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Joined: Sat Oct 23, 2010 10:33 pm
Posts: 2443
Location: New Forest
Steel frame = powdercoat.


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PostPosted: Thu Sep 27, 2018 10:49 pm 
Gold Trader / PoTM Winner / RB Rider
Gold Trader / PoTM Winner / RB Rider
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Joined: Fri Jul 23, 2010 4:13 pm
Posts: 5487
Location: Royal Forest of Dean (Still looking for the Bear !)
wicket wrote:
Any tips on stripping a frame ready for a rattle can respray?

I'm not looking for a perfect finish just presentable and protection against rust :)



Given your statement, I agree with Mr Self above get it powder coated

By the time you’ve pissed about with paint stripper and bought etch primer, paint and possibly a clear top coat you’ll be in for a few quid and the finished paint will still chip off .... powder coat is cheap and can be as hard as nails
I’d urge you to consider your options first


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PostPosted: Thu Sep 27, 2018 10:51 pm 
Retro Guru
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Joined: Thu May 03, 2012 7:13 pm
Posts: 2703
Location: The Cock Inn, Tillett, Herts
Here's my guide for a perfect, durable, cost effective rattle can paint job:

Don't bother, get it powder coated.


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PostPosted: Thu Sep 27, 2018 10:52 pm 
Gold Trader / PoTM Winner / RB Rider
Gold Trader / PoTM Winner / RB Rider
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Joined: Fri Jul 23, 2010 4:13 pm
Posts: 5487
Location: Royal Forest of Dean (Still looking for the Bear !)
Here’s one of mine with a new plastic skin

viewtopic.php?f=6&t=378024&start=50#p2870156


Hey Chopper, Cut straight to the chase why don’t yah :D

Chopper1192 wrote:
Here's my guide for a perfect, durable, cost effective rattle can paint job:

.....Don't bother, get it powder coated.


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PostPosted: Thu Sep 27, 2018 11:32 pm 
Devout Dirtbag
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Joined: Wed Apr 13, 2011 11:11 pm
Posts: 130
Location: Nottinghamshire
I totally agree on the above, recently had to face this with a 'well used' set of Pace RC30 forks I bought. I popped the legs out, took them to the local powdercoaters, they blasted all the old paint off and powder coated them satin black for £20... given the time/mess and cost of buying paints, it was money well spent IMO.


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 Post subject: Re:
PostPosted: Thu Sep 27, 2018 11:50 pm 
Retro Guru

Joined: Wed Jan 06, 2010 12:03 am
Posts: 258
Paint stripper is not what it used to be thanks to EU rulings. Paramorse is good if you can get your hands on it but unless your restoring a pukka £££ frame then by the time you've bought paint stripper, wire brushes, sandpaper, rattle cans/tins paint/thinners then powder coating is probably the way forward unless you value your labour at pence per hour.


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 Post subject: Re:
PostPosted: Fri Sep 28, 2018 6:42 am 
Retro Guru

Joined: Tue Feb 21, 2012 9:53 am
Posts: 847
Location: the shed
Thanks for the advice. Think it will be the powder coaters.


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