Can I paint over a glossy paint on wood work and window frames without sanding down first?
You can try painting with Kilz first so the paint will stick. Just be sure to let the kilz dry first.
You will get better adhesion if you sand lightly first.
Painting Walls in a Mobile Home
Painting Plastic Door Trim?
Painting Vinyl Car Trim?
Painting Over Varnish Without Sanding
Painting Trim Different Colors?
Painting Trim Around Brown Windows?