Condensation definitely comes up, especially if your indoor humidity runs high. I found a small gap or venting helps—totally sealed inserts can trap m...

Couldn't agree more on the masking tape tip. I'd add that choosing the right polyurethane matters too—some types are messier or harder to smooth out t...

Good points overall, but a couple things to consider from my own experience: - Vinyl does hold up decently, but I've noticed that after about 12-15 y...