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Yes you can. You should always check for compatibility of products, but generally an epoxy coating can be top-coated.
Link to Sherwinn Williams Macro-poxy with top-coat recommendations:
http://www.paintdocs.com/webmsds/webPDF.jsp?SITEID=STORECAT&doctype=PDS&lang=E&prodno=B58W610
Wiki User
∙ 14y ago
Wiki User
∙ 16y agotake a light sand paper first and scratch the poly and then put the putty on make sure it is a color match and re-polyurethane
Wiki User
∙ 14y agoSometimes people do this to get an antique look, I can't think of any other reason to do this.
Wiki User
∙ 11y agoYes you can. Lightly sand the shellaced surface to remove any gloss, then coat with the polyurethane.
Wiki User
∙ 13y agoVarnish is unlikely to stick to polyurethane; it's designed to soak into porous wood, not to chemically bond to a compound like polyurethane.
Wiki User
∙ 11y agoYes, you can
Wiki User
∙ 13y agoNO
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What Resin is used in varnishes?
A lot of resins are used in varnishes. Printer's varnish uses copal resin, polyurethane varnish uses polyurethane, amber varnish contains amber.
How do you remove wet varnish from polyurethane?
Bleach
Can spar varnish which be primed and painted be used as a waterproofer on wood surfaces which spend part of the year sitting in snow Is polyurathane varnish a better choice?
I would use an exterior polyurethane. It is going to hold up better and be more flexible than a varnish. Polyurethane has taken over the varnish market--it's hard to find any other kind. There is a "spar polyurethane," which is what you should use on the item in question.
Can you put polyurethane over eggshell paint?
Yes, you can put polyurethane paint over eggshell in latex or eggshell in oil.
Can you put polyurethane over deck stain?
Can you put stain in polyurethane to darken the color?
What resin is in varnish?
A lot of resins are used in varnishes. Printer's varnish uses copal resin, polyurethane varnish uses polyurethane, amber varnish contains amber.
Is shellac a viable topcoat over stained trim instead of polyurethane or varnish?
No, it isn't.
What Resin is used in varnishes?
A lot of resins are used in varnishes. Printer's varnish uses copal resin, polyurethane varnish uses polyurethane, amber varnish contains amber.
How do you remove wet varnish from polyurethane?
Bleach
Can spar varnish which be primed and painted be used as a waterproofer on wood surfaces which spend part of the year sitting in snow Is polyurathane varnish a better choice?
I would use an exterior polyurethane. It is going to hold up better and be more flexible than a varnish. Polyurethane has taken over the varnish market--it's hard to find any other kind. There is a "spar polyurethane," which is what you should use on the item in question.
Can you put polyurethane over eggshell paint?
Yes, you can put polyurethane paint over eggshell in latex or eggshell in oil.
Can you put polyurethane over deck stain?
Can you put stain in polyurethane to darken the color?
Is varnish a product of nylon?
Varnish is not made of nylon. There are a number of different formulas for varnish, but the most popular kind is made from polyurethane.
Why is Polyurethane sticky?
Polyurethane becomes sticky because it takes an hour or longer for the oxygen-induce crosslinking to occur. Polyurethane is a varnish used on wood.
How can you protect outdoor pottery sculpture from sun and moisture?
by covering it by cove (alternate answer) There is more than one possible sealant to use, but I would recommend painting it with polyurethane varnish.
Can you put polyurethane over Australian timber oil?
Yes
Does polyurethane lacquer contain lead?
If a polyurethane varnish (not lacquer) contained linseed oil, it COULD have lead in it - lead is a drying agent for that oil. It was mostly used in paints as a pigment. Varnish has no pigment and it dries by chemical reaction, so most polyurethane varnishes don't need lead.
