Bona Hardwood Floor Polish cannot be coated with polyurethane or Bona Hardwood Floor Refinisher. Bona Hardwood Floor Polish is not a cleaner. Make sure the floor is completely clean & dry before applying this product. Do not use over any floor that has been oiled or waxed. Wax, oil or other contaminants may prevent this product form adhering. Always use a clean applicator. Use of contaminated applicator may cause a hazy or streaky appearance. Never use string mops, cotton mops or sponge mops to apply this product. Avoid replacement of furniture & floor mats for at least 24 hours. Not for use on unfinished wood or unsealed floors. Keep from freezing. Keep out of reach of children. May cause stomach irritation. If swallowed, drink 1 or 2 glasses of water to dilute. In case of eye contact, flush with water. Buyer assumes all responsibility for proper use in accordance with label instructions. Results may vary according to the individual application techniques & prior condition of floor.