.

Then, can you put varnish over polyurethane?

YES YOU CAN, NO PROBLEM. b) Can I put Polyurethane over varnish without a devastatingly bad result? SAME,, NO PROBLEM IF THE POLY IS 1 COMPONENT. 2 PARTS POLY SOFT AND PEEL OFF 1 PART VARNISH.

One may also ask, can you apply polyurethane over old polyurethane? Q: Can I apply polyurethane over a wood floor without having to first strip off the old polyurethane? A: Yes, a polyurethane-finished hardwood can be recoated if you take the proper steps to prep the finish. First, lightly sand with No. 2 steel wool or a dull 120- to 150-grit abrasive screen using a heavy floor buffer.

Besides, which is better spar varnish or polyurethane?

On the other hand, spar urethane is stronger of the two, and it will coat square feet per gallon, while polyurethane will stick with more problem on the surfaces. Polyurethane finish features a few downsides because it cures, sets and rises more slowly than spar urethane that could dry in a matter of minutes.

Can you clear coat over varnish?

2. Don't apply automotive clear over varnish. They are not compatible and the urethane will probably delaminate from the varnish .