Cycling and bicycle discussion forums. 
   Click here to join our community Log in to access your Control Panel  


Go Back   > >

Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

User Tag List

Reply
 
Thread Tools Search this Thread
Old 04-27-06, 05:49 AM   #1
bigS
Junior Member
Thread Starter
 
Join Date: Feb 2006
Bikes:
Posts: 17
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Clear Coating

I have an old Vitus aluminum frame. I have stripped the paint down to the bare metal and have polished it to a mirror finish. I would like to clear coat it. I tried to do this a few years ago but the clear coat eventually yellowed real bad. Does anyone have any idea what type would be the best. I would prefer to do this myself if possible.
bigS is offline   Reply With Quote
Old 04-27-06, 09:02 AM   #2
BryE
Seņor Member
 
Join Date: Jul 2005
Location: Central Illinois, USA
Bikes:
Posts: 207
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by bigS
I have an old Vitus aluminum frame. I have stripped the paint down to the bare metal and have polished it to a mirror finish. I would like to clear coat it. I tried to do this a few years ago but the clear coat eventually yellowed real bad. Does anyone have any idea what type would be the best. I would prefer to do this myself if possible.
You may be able to get a clear powdercoat job done on it, but this is definitely not a do-it-yourself operation. The problem is the high polish - you've essentially removed the tiny abrasions in the surface that allow the paint to mechanically adhere to the metal. Also, a powdercoater might need to media blast the surface to provide some texture for the power to adhere to, which would obviously ruin your hard work.

Since the frame is aluminum and hence won't be subject to rust like a steel frame would, you might be able to get away with using a high-quality car wax and applying it on a fairly regular basis. I don't know if this would be completely effective in maintaining the mirror finish, however.

I'd like to see your frame; can you post a picture?
BryE is offline   Reply With Quote
Old 04-27-06, 09:28 AM   #3
Az B
Fattest Thin Man
 
Az B's Avatar
 
Join Date: Sep 2005
Location: Directly above the center of the earth
Bikes: Miyata 610, Vinco V, Rocky Mountain Element
Posts: 2,649
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Boeshield.

Az
Az B is offline   Reply With Quote
Old 04-27-06, 03:40 PM   #4
spunkyruss
Senior Member
 
spunkyruss's Avatar
 
Join Date: Sep 2005
Location: Hatfield, PA
Bikes: '64 Schwinn Traveler, '73 Astra Tour de France, '79 Fuji Gran Tourer, '86 Dahon folder, '94 Specialized Hardrock, '95 GT Timberline, 2005 Jamis Aurora
Posts: 379
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I would use something from the automotive world, like Eastwood Diamond Clear Metal Aerosol. You may be able to find a similar product locally.

If you can't find something suitable from an auto parts store, then try a motorcycle or marine supplier.

I'm only guessing about this one, but an automotive detailing shop probably carries a similar product.
spunkyruss is offline   Reply With Quote
Old 04-27-06, 04:35 PM   #5
Grand Bois
Senior Member
 
Grand Bois's Avatar
 
Join Date: Mar 2005
Location: Pinole, CA, USA
Bikes:
Posts: 16,822
Mentioned: 4 Post(s)
Tagged: 0 Thread(s)
Quoted: 131 Post(s)
Why do you want to clearcoat it? It won't shine as bright. Bare polished aluminum isn't hard to maintain. I like shiney stuff, so I strip and polish a lot of aluminum parts.
Grand Bois is offline   Reply With Quote
Old 04-28-06, 06:05 AM   #6
Mr. Fierte
Senior Member
 
Join Date: Feb 2006
Location: Houston
Bikes: Serotta Fierte; Specialized FSR120 Pro
Posts: 69
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by bigS
I have an old Vitus aluminum frame. I have stripped the paint down to the bare metal and have polished it to a mirror finish. I would like to clear coat it. I tried to do this a few years ago but the clear coat eventually yellowed real bad. Does anyone have any idea what type would be the best. I would prefer to do this myself if possible.
I did a little research on this a while back. Go to Walmart and pick up a couple of cans of Minwax. While generally marketed as a clear coat for wood work, it can be used for what you want to do. It goes on very nice and smooth and is very easy to work with. I refinished my carbon forks using the semi-gloss finish and then polished it out to a "near" gloss. It is available in a high gloss version. If you don't like it you can easily sand or strip it off and you haven't spent a lot of money.
Mr. Fierte is offline   Reply With Quote
Old 04-28-06, 04:34 PM   #7
cruentus
Banned.
 
Join Date: Apr 2005
Location: Tony Soprano's Street
Bikes:
Posts: 779
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Any paint -- clear or otherwise -- that cures by air drying will only give so-so results. To get a really tough, long-lasting clear coat, you will have to use one of the catalyzed automotive products. Catalyzed auto paints are super-hard after they've cured, but they are also super poisonous until they've cured. Catalyzed auto paints are not to be handled by noobs.

If you want a pro finish, you'll have to get a pro to do the job.
cruentus is offline   Reply With Quote
Old 04-28-06, 05:03 PM   #8
Mr. Fierte
Senior Member
 
Join Date: Feb 2006
Location: Houston
Bikes: Serotta Fierte; Specialized FSR120 Pro
Posts: 69
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
... you never know until you try.




Mr. Fierte is offline   Reply With Quote
Old 04-28-06, 05:30 PM   #9
Coyote!
Guest
 
Bikes:
Posts: n/a
Mentioned: Post(s)
Tagged: Thread(s)
Quoted: Post(s)
Hey Fierte. . .Well Done!

Was that the Minwax urethane?
  Reply With Quote
Old 04-28-06, 07:53 PM   #10
cruentus
Banned.
 
Join Date: Apr 2005
Location: Tony Soprano's Street
Bikes:
Posts: 779
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by Mr. Fierte
... you never know until you try.
It's possible to get nice looking results from a rattle can, the problem is that rattle can finishes are not very durable.
cruentus is offline   Reply With Quote
Old 04-28-06, 08:00 PM   #11
Mr. Fierte
Senior Member
 
Join Date: Feb 2006
Location: Houston
Bikes: Serotta Fierte; Specialized FSR120 Pro
Posts: 69
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Quote:
Originally Posted by Coyote!
Hey Fierte. . .Well Done!

Was that the Minwax urethane?
Yes, it was the Minwax Fast-Drying Polyurethane in the spray can.
Mr. Fierte is offline   Reply With Quote
Old 04-28-06, 09:32 PM   #12
JDP526
Senior Member
 
Join Date: Feb 2006
Bikes:
Posts: 97
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
I would suggest that you stop by a few auto paint shops and see if someone will shoot some auto clearcoat on the frame for you. As stated above, the automotive catalyzed paints are much more durable that any other paints. I have painted a few cars myself and its not difficult to do. The painting is the easy fun part, its all the metal work and preparation, especially for an amatuer, that takes so much time and patience.
JDP526 is offline   Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off



All times are GMT -6. The time now is 09:15 PM.