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Thread: Dewaxed Shellac wearing off - should I seal with something else when done?

  1. #1
    Join Date
    Oct 2021
    Location
    Toronto
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    125

    Dewaxed Shellac wearing off - should I seal with something else when done?

    Hi All,

    I made myself a monitor stand from Cherry wood and finished it with 3 or 4 coats of a dewaxed shellac I had mixed. I didn't use any other finish. The monitor stand has a middle shelf where I either store my laptop or my keyboard / mouse. The finish is wearing off in the middle shelf now and I'm wondering if I should've added a coat of paste wax or something after the shellac to maintain the finish over a longer period of time.

    Thanks in advance!

  2. #2
    Join Date
    Oct 2008
    Location
    Columbus, OH
    Posts
    3,064
    Shellac is not a durable finish that will hold up to scuffing like that. A wax coat is not going to help. You need something tougher like poly or a good varnish. If the finish is still just shellac, I would clean it, put a fresh coat of dewaxed shellac down, then a couple coats of GF Arm-R-Seal. ARS is an oil based varnish and will provide a very durable finsh that will hold up to scuffing, etc. You could also use a water based poly. Of course, it's best to minimize the scuffing on a finished wood surface in general, but the ARS or poly will really help.
    Brian

    "Any intelligent fool can make things bigger or more complicated...it takes a touch of genius and a lot of courage to move in the opposite direction." - E.F. Schumacher

  3. #3
    Orange shellac is the most durable kind and it was used a lot on surfaces that would get some wear. If you bought it already mixed and in a can it might have been old. Best to use it fresh. Wax is fine on shellac if you want to use it, but orange shellac is pretty tough. It
    has been used on wood patterns in foundry’s.

  4. #4
    Join Date
    Sep 2013
    Location
    Wayland, MA
    Posts
    3,668
    Just add a fresh coat of shellac. Applying it using a French polishing technique will avoid too much build up over time and produce a gorgeous finish and can be done in just a few minutes. No reason to use dewaxed shellac when you're not top coating it with a water based finish (no reason not to either).

    I find shellac to be durable enough for most purposes and by far the easiest finish to repair or refresh. Scratches in a varnish finish, polyurethane or other polymers, are much harder to deal with, though they are less prone to happen in the first place.

  5. #5
    Join Date
    Mar 2003
    Location
    SE PA - Central Bucks County
    Posts
    65,893
    I agree with Roger. Shellac dries to what is actually a very hard finish, but as a result, it's a little brittle and can scratch. A quick reapplication of a very thin coat will make it look nearly new if not totally new. It doesn't have "give" like stuff with polyurethane resin in them...which was the reason that that "poly" stuff was originally develop for floors.
    --

    The most expensive tool is the one you buy "cheaply" and often...

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