Anonymous asked 7 years ago I have a high-quality wood front door with some kind of varnish that is wearing off due to age and weathering. Can I just wipe clean any dust and apply a spray or brush on a polyurethane without sanding first?
1 Answers
Crowder Painting answered. A light sanding is recommended. This will help the new finish stick and stay stuck. Also use a good exterior spar varnish. This will stick to everything, polyurethane doesn't stick as well to old varnish.
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