The embossed surface of FRP panels can best be cleaned with a sponge or soft brush. Apply the cleaner, working it across the surface in a scrubbing or circular motion. Rinse very thoroughly to remove all traces of the trisodium phosphate, otherwise a film will build up giving the wall a dull, dirty appearance.Click to see full answer. Correspondingly, how do you get grease off FRP? How to Clean an FRP Wall Panel Mix in a bucket 1/2 cup of liquid soap and 1/2 gallon of warm water. Move any furniture, rugs or accessories sitting next to or on the FRP wall panels to another room or area. Wring out excess mixture and scrub one FRP wall panel section with the mixture-soaked sponge or scrub brush. Secondly, what is an FRP panel? Fiberglass reinforced panels, or FRP, are thin, flexible plastic panels made of strong polyester resin reinforced with fiberglass. They are used on walls and ceilings and can be installed directly over drywall, wood, concrete block, and many other solid surfaces. Similarly one may ask, can I paint over FRP? Painting FRP is not recommended because the finish is designed to be a non-adherable surface. If painting is necessary, an epoxy or acrylic-based paint is suggested.How do you clean old wood paneling?Use a half cup of laundry detergent mixed with a gallon of warm water in a bucket to clean extremely dirty paneling. Wipe dry with a clean cloth. After drying and cleaning, use the vinegar and mineral oil solution to shine the paneling. Add 20 drops of lemon oil to give your homemade cleanser a fresh scent.