So you did your homework, shopped around, and decided on a fiberglass body for your next project. Cool. But you dont want your car to wind up looking like a dune buggy or a boat hull, right? You want ...

Q:I am refinishing some wood floors and furniture with polyurethane varnish. How can I prevent tiny pieces of grit that form on the finish? Are those gritty pieces in the varnish or in the air? A: ...