PAINTED FLOORS? Oh my! • Here's how to paint over your floor tiles: To stencil over existing old floor tiles, first thoroughly wash your floor, let it dry, then give it a coat of adhesive primer (Stix is best in our experience), after that apply a base coat color (regular wall latex paint will do). Then, stencil your floor in acrylic or latex paint and finally seal it with two coats of water-based polyurethane for durability. >>How durable your newly stenciled floor will be? Very...