Stripping a painted frame?
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Stripping a painted frame?
Postby Crawf » Tue Jan 22, 2008 8:25 pm
I've always loved the plain looks of a brushed or polished alloy frame with a clear coat but unfortunately there were no options in my price range and style when looking to buy - So I had to opt for a bike with a pretty average color scheme but with decent running gear.
So, I was wondering what would be involved in stripping off the paintwork and stickers back to the bare bones?
If anyone has done a home jobby I'd appreciate any advice on materials/solvents used?
(It's a 7005 alloy frame)
Thanks!
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Postby oldtimer » Wed Jan 23, 2008 10:08 am
I have just completed stripping a steel frame with 4 coats of different coloured paint. I used a caustic based automotive stripper which is water soluble. It took a lot of work to remove each coat but I got there eventually. There are aircraft grade paint strippers which if they can be used on aircraft should be OK for a bike frame. One I found on the net is product number CH8930.
Check with the supplier Callington_Haven for suitability.
Chemical products should only be used after the appropriate MSDS (material_ safety_ data_ sheet) is consulted and all safety precautions followed.
oldtimer
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Postby Mulger bill » Wed Jan 23, 2008 11:02 pm
Shaun
London Boy 29/12/2011
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Postby Birdman » Thu Jan 24, 2008 9:07 am
Do you mean a light sandpad on a angle grinder???Jacobite wrote:Thanks for the info, i'm gonna go the the paint stripper and angle brush route.
Mitch.
Until next time...
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Postby oldtimer » Thu Jan 24, 2008 10:47 am
I think you will mark the metal if use electric driven abrasives on aluminium. The paint stripper I used needs about 15 minutes on the paint before it works properly. I applied the stripper and then cleaned the paint off that was starting to lift. Then I kept reapplying the stripper and cleaning it off until the frame was down to mostly bare metal. I used fine wet and dry paper on the tubes to do the final polish before painting, but I had to use a wire brush in a drill on the steel lugs. There were slight wire brush marks on the lugs but most of these were removed with more wet and dry paper.
oldtimer
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Postby Crawf » Thu Jan 24, 2008 11:28 am
Do you remember what sand paper grades were suitable?
I'm intending to have a clear coat finish, so allot of sanding ahead to get it looking shmick no doubt.
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Postby Mulger bill » Thu Jan 24, 2008 10:33 pm
Shaun
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Postby Birdman » Fri Jan 25, 2008 11:26 am
What is Autosol??? As in...industrial cleaner, polish, stripper, ???Mulger bill wrote:Try some Autosol for the final polish Jacobite, it's done a great job on my chromed retro fork after the previous owner covered it with fine scratches using steelwool.
Shaun
Where can you get it from???
Also what sort of primer do you use after you have cleaned it to save it from screwing up before it is painted.
Mitch.
Until next time...
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Postby fattima » Sun Jan 27, 2008 8:40 am
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Postby Crawf » Sun Jan 27, 2008 3:57 pm
Mostly came off within a few minutes, but certain areas it is set more into the grain and needed sanding/scalpel out.fattima wrote:A good tip when using paint stripper is put the layer of striper on the lay a plastic bag (or any other plastic sheet) over the top. Leave it over night then peel the plastic away, the paint tends to stick to the plastic and lift straight off. Less messy than scrapping and tends to do it in one go, instead of a couple of treatments.
This is post sanding...
Polish and clear coat to go!
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Postby uncle arthur » Sun Jan 27, 2008 6:42 pm
What sort of bike is it?
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Postby Mulger bill » Sun Jan 27, 2008 11:22 pm
There's a weekend project that'll totally confound the queens out there Unc.uncle arthur wrote:That looks AWESOME!!!
What sort of bike is it?
London Boy 29/12/2011
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Postby uncle arthur » Mon Jan 28, 2008 12:06 am
Exactly what I'm thinkingMulger bill wrote:She looks amazing Jacobite, better than paint
There's a weekend project that'll totally confound the queens out there Unc.uncle arthur wrote:That looks AWESOME!!!
What sort of bike is it?
So with a bit more info on exactly what sort of paintstripper, and how best to avoid getting it on the components, and I might have to look at doing just this very same thing.....
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Postby Mulger bill » Mon Jan 28, 2008 1:29 pm
Shaun
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Postby Crawf » Mon Jan 28, 2008 2:42 pm
All materials where gathered from Bunnings...
-Paint stripper (yellow tin, 1 litre, auto, marine, fibreg)
-1200 wet/dry sand paper
-Small paint brush & toothbrush
-Towel to wipe off stripper/paint
-Scraper for bits the stripper wont get off.
-2 x white knight clear coat
-Thick rubber gloves.
-Gaffa tape for areas that need real protecting, and masking tape.
I've decided to do the same to my rusted and chipped 15yo Shogun Trail Breaker, I used to ride this thing in high school... my nostalgic old beast. After initial tests it looks like its going to come up in a nice gunmetal gray shine.
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Postby Birdman » Tue Jan 29, 2008 2:13 pm
How much did it all end up costing you...if you don't mind me asking. Atleast now you wont have to worry about any paint chips.
Mitch.
Until next time...
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