Simply remove sealers/waxes/contaminants/nails and use our flexible acrylic caulk to patch the seams and holes prior to coating. Wood floors may be coated with Epoxy-Coat. Wood areas must be cleaned with a proper detergent and scrubbed if contaminated and all waxes or un-bonding materials removed prior to coating. Sanding the wood to achieve a 100-120 grit profile prior to application of Epoxy-Coat is only necessary if the wood surface is smoother than a 120-grit profile, otherwise no sanding is required. Using the Epoxy-Coat clean and Prep solution is not necessary over wood.