Specifications include, but are not limited to: 3 Sanding A. The existing floor surface shall be sanded with rough, medium, and fine grit paper to remove all existing finish down to the bare wood. The sanding procedures must be in accordance with rules and regulations set by the Maple Flooring Manufacturers Association (MFMA), and The Wood Flooring Manufacturers Association (NOFMA). Finish application must conform to the finish manufacturer’s printed recommendations. B. The rough cut will remove all the existing finish and the medium and fine cuts will smooth out each prior cut of sandpaper. A minimum of three cuts of sandpaper are required. Final cut to be made with 80 grit paper C. The floor must be vacuumed and tack cleaned of all dust as recommended by the finish manufacturer In preparation of the finishing process Refinishing A. Apply a minimum of two sealer (2) coats and two (2) finish coats of waterbase finish. The application techniques must follow MFMA or NOFMA guidelines. All seal coats must dry for a minimum of 12 hours or as required for the environmental conditions when finishing for proper drying. Note: All materials must be handled and utilized per manufacturer’s recommendations and material safety data sheets (MSDS) must be submitted prior to work being performed. B. Abrade the first coat with 120 grit abrasive screens to smooth out all raised grain. C. Vacuum and tack the floor surface to remove all dust produced by the screening process.