11.   As for refinishing, sand to get to the bare wood.

12.   Bare wood that has never been painted also should be sanded and primed before painting.

13.   Before doing this oil treatment, you have to remove the old varnish, to the bare wood.

14.   A floor must be bare wood in order to be stained.

15.   A year later they are peeling to the bare wood.

16.   A. The only stain you should use on a horizontal surface outdoors is a semitransparent stain, and this must go on bare wood.

17.   A. Treat the bare wood, the entire door, with liquid chlorine bleach, straight from the jug.

18.   A. Your best bet is to sand that stain to the bare wood, then apply a penetrating oil stain to match the paneling.

19.   But any bare wood or finish on the wood will tend to get dirty, especially outdoors.

20.   But because some water-based varnishes are not compatible with oil, the floor must be sanded to the bare wood before using the oil-based varnish.