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Thread: Spraying varnish

  1. #1
    Join Date
    Oct 2003
    Location
    Clifton Springs New York
    Posts
    77

    Spraying varnish

    Hello all,
    Anyone ever use a regular automotive type spray gun to sray varnish?
    I'm just finishing up a sliegh bed i've been making for my nephew and would like to try something differant. I usually do the wipe on Poly thing which for what I do works OK, but is very hard on larger projects. Im putting a coat of BLO on first, let it dry, then spray a couple of coats of Varnish. Does this sound doable with a Sharp's auto type spray gun?

    Thanks,
    Jim Knauss, Sawmill Creek's poor cousin
    PS Here's a Pic of progress so far ( hopefully )
    Attached Images Attached Images

  2. #2
    Jim,

    I am "Finish Challenged" so I'll just wait to see everyone else's answers. But I love the bed!! Very cool.
    ~john
    "There's nothing wrong with Quiet" ` Jeremiah Johnson

    I live in Steve Schlumpf's basement...under the stairs

  3. #3
    Join Date
    Jun 2004
    Location
    Houston, Texas
    Posts
    1,578
    I've never tried it but everything I have read on the subject says NO. I would recommend spraying a coat of shellac (blond dewaxed) over the BLO then several coats of laquer.

  4. #4
    Join Date
    Mar 2003
    Location
    SE PA - Central Bucks County
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    37,497
    Most folks do not recommend spraying varnish. Not because you'll get a bad finish because with a properly adjusted gun and good technique you can get a very nice finish. The problem is that varnish dries very slowly in the scope of things and you'll end up with a sticky mess ALL OVER from any and all overspray. The best finishes to spray are those that dry/cure quickly...NC lacquer (with proper environmentals and personal protection and not anywhere IN your house), water-bourne acrylic products, shellac, etc.

    If you want to use varnish on your project, stick with wiping or brushing. IMHO.
    “Never raise your hands to your children, it leaves your groin unprotected.” - Red Buttons

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  5. #5
    Join Date
    Sep 2003
    Location
    Philadelphia, Pa
    Posts
    2,266
    While I am not certain, I think that the only varnish that is commonly sprayed is conversion varnish. This is a two part varnish that dries quickly and is among the most durable of finishes. I believe that it is typically the finish on a factory produced kitchen cabinet, including as a clear coat over paint. I do not spray it, but have had it done at a finishing shop for a job or two that seemed to require this durability. I think it has to be mixed quite carefully, and that clean up is a PITA.
    Alan Turner
    Philadelphia Furniture Workshop

  6. #6
    Join Date
    Oct 2003
    Location
    Clifton Springs New York
    Posts
    77

    Thanks for the replies.

    I'll try lacquer then, instead of varnish. Thanks again for the help, almost pulled a boo-boo

    Jim Knauss

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