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  1. #21
    Mike Phillips
    Guest

    Re: Old school vs Modern sanding

    Here's something more recent I wrote on hand sanding


    How to wet sand paint flat by hand by Mike Phillips


    From a class on the topic,





    And.... no burn-throughs from either the sanding or the buffing....








  2. #22
    Mike Phillips
    Guest

    Re: Old school vs Modern sanding

    Quote Originally Posted by DUBL0WS6 View Post

    Meguiars makes some nice smallish semi flexible sanding blocks.
    I don't know about any flexible sanding block from Meguiar's - maybe some other company?

    Meguiar's does have these,

    How to use Meguiar's Unigrit Sanding Blocks to remove runs and dirt nibs in paint














    Quote Originally Posted by DUBL0WS6 View Post

    When my car was painted my painter hand sanded with a block but we ended up finishing with 3m Trizact with 3000, 5000 and 8000 with a air powered RO.

    I'm not sure you can hand sand as fine as 8000 on a RO.

    Finish looked great. Not a trailer queen car, driven regularly on the street.
    Pictures please!


  3. #23
    Mike Phillips
    Guest

    Re: Old school vs Modern sanding

    Quote Originally Posted by DUBL0WS6 View Post

    Mike, nice to see you teaching people how to use a rotary.

    That's a skill needed for wetsanding.

    I think I go back to 2003 for teaching an actual wet sanding class.

    Here's a Rotary Buffer Class, we didn't sand but the students got to train on a 1966 Corvette Stingray. Pretty cool. Most of the classes a person could go to you'll only get to work on a hood on a stand.

    How to use a Rotary Polisher





    Here's Audrey learning to use a Flex PE14 Rotary Buffer with a wool pad and Meguiar's M105 Ultra Cut Compound to remove the swirls and scratches out of a 1966 Corvette Sting Ray...





  4. #24
    Super Member
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    Re: Old school vs Modern sanding

    I guess I was wrong about the sanding block. I know that you can find small sanding blocks at any auto paint supply store.

  5. #25
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    Re: Old school vs Modern sanding

    2000 Trans Am. Pic didn't upload.

  6. #26
    Super Member
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    Re: Old school vs Modern sanding

    2000 Pontiac Trans Am - Completely Finished - Huff's Auto Body & Repair | Facebook

    Tried to upload the pic but had an issue.

    That's bare paint. I ended up finishing it up with Wolfgang Spray Ceramic Coating.

  7. #27
    Super Member 2black1s's Avatar
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    Re: Old school vs Modern sanding

    Here's some of what I wrote in my initial reply...

    Quote Originally Posted by 2black1s View Post
    ... The waviness that the OP describes, if I'm interpreting his description accurately, is from one of two things... The paint was either applied in coats that were too wet and heavy; or too many coats were applied (without in-between sanding)...
    Today I went back and read through this entire thread again. I caught where the OP stated that seven (7) coats of clear were applied. Assuming that the paint (clear) used was a modern urethane, seven coats is beyond excessive in my opinion. Most paints are designed to typically have a final film thickness of less than 2 mils. That is the rough equivalent of 2 or maybe 3 coats depending on the application technique.

    The only time I ever applied seven coats of clear to anything was back in the days of acrylic lacquer. With today's urethane clears, I have never applied, nor would I recommend, more than three medium-wet coats.

  8. #28
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    Re: Old school vs Modern sanding

    I've watched Powernation type videos on youtube where they've done as many as 6 coats of clear. I'm guessing they sanded between coats to do that many.

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