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Lacquer question

  • 13-06-2010 10:19am
    #1
    Captain Slow IRL
    Registered Users, Registered Users 2 Posts: 3,651 ✭✭✭


    To all the paint pros - is it possible to get a decent finish from lacquer out of a can?
    I've taken a stab at doing my sideskirts, using metallic spray paint, out of a tin. The colour is spot on and the finish is pretty good as well. The only problem is when I put the lacquer on - it's patchy, rough to the touch and doesn't have a glossy finish at all.

    What am I doing wrong? Or am I wasting my time totally?


Comments

  • #2
    Masada
    Banned (with Prison Access) Posts: 11,001 ✭✭✭✭Masada


    Are you flatting the lacquer when your done?


    If not, you need to go at it with wet P2000 to flatten it, then polish it up with t-cut or similar, then hand glaze/wax. :)


  • #3
    Captain Slow IRL
    Registered Users, Registered Users 2 Posts: 3,651 ✭✭✭Captain Slow IRL


    I flattened the paint with 1500, gave it 3 coats of lacquer, flattened it again, another 3 coats and tried flattening it again. I used a bit of t-cut and some meguiars polish on it, but it's still a very dull finish.


  • #4
    Owen
    Registered Users, Registered Users 2 Posts: 12,683 ✭✭✭✭Owen


    Generally I wouldn't flat the paint. I'd apply the lacquer and let it flash (Let the lacquer start to go off - in other words wait about 10 mins), then apply it again, wait for it to flash, apply it again, and let it harden. There's no need to flat it inbetween.

    Once I was certain there was enough lacquer on the panel, I'd get a bucket of soapy water and 3M 2000 wet & dry paper. The soapy water because the soap acts like a lubricant to stop the paper from digging in to the fresh lacquer, and the 3M paper because it's the only paper I've found not to leave scratch marks.

    Flatting takes a long time. You need to keep flatting it with paper until you can start to see the little dimples disappear. As the water falls off the panel, you should see the orange peel for a second or two. Keep flatting that until you can't see it. You'll be left with a very dull panel after all that. So you then need to bring up the shine.

    I'd normally get some G3 compound, loads of water again, and a hard mop for the polisher, and then work the panel a few times over. This will leave a better finish, but to make it perfect, I'd use something lik meguiars speed glaze and a soft polishing head to bring it to a shine. At the very end, I'd put a high quality wax on like Autoglym HD wax or something similar.

    To answer the question about getting lacquer out of a can finished correctly ... I don't think you'll ever get as good a finish as a spray gun. The chemicals that are dumped into a gun are mixed freshly - lacquer, hardener and thinner - the stuff in the cans has been there a while.


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