How to Repair a little Surface Chip at a Fiberglass Tub
Fiberglass tubs are usually lasting and affordable, but accidents can happen. In case you have a little chip at the surface of your tub, you can fix it yourself having an epoxy-based ceramic repair kit. To get a good color match, buy tinted epoxy, then tint it yourself or paint over the area having a waterproof epoxy paint. The finish may not be as perfect as a professional repair job, but it can save you a lot of money and hassle.
Wash the chipped area thoroughly with rubbing alcohol and a cloth. Use plastic packing tape to mask the area surrounding the chip.
Open the windows to ventilate the toilet and turn on the exhaust fan if you have one. Wear rubber gloves and then mix the epoxy and hardener using a spatula based on the manufacturer’s instructions, but do not add the thickener yet. Save a small amount of unmixed epoxy and hardener for later use.
Apply a little bit of epoxy to the chipped area with a little paintbrush. This aids the thickened epoxy adhere to the fiberglass surface.
Insert the thickener to the epoxy and then stir till it reaches a thick, creamy consistency. To tint the epoxy, then add 1 drop of acrylic paint pigment at a time and blend it thoroughly till it reaches the desired color. Apply the epoxy to the chipped area with the spatula and smooth it out. Allow the epoxy to cure for at least five hours or overnight.
Wear a dust mask and then sand the epoxy to a smooth finish with 180-grit sandpaper, avoiding the surrounding area as much as you possibly can. Wipe off excess dust with a damp cloth.
Mix a little bit of epoxy and hardener without thickener and apply it to the full area to seal it. Let it cure for at least five hours or overnight.
Wet-sand the full area using 180-grit sandpaper till you have a smooth finish, and wipe off the dust with a damp cloth. To paint the mend, mixture epoxy paint based on the manufacturer’s instructions and apply it to this area with a little paintbrush. Allow the paint to fully dry before using the tub.