The finish of fiberglass tubs can dull and get surface scratches over time with constant use. The expense of a new tub is not always a viable option. There is an alternative that most homeowners can do themselves. Revitalize the shine and update the look of your bathroom with a little sanding and urethane paint.
Step 1
Use a screwdriver to force out all old caulking material. Wipe these areas well with isopropyl alcohol to ensure all traces of silicone caulk are gone. Paint will not adhere to caulk.
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Step 2
Clean the surface of the tub with a mixture of ¼-cup washing soda and a gallon of warm water. Scrub with a clean sponge. Rinse well with water. Washing soda is available at most grocery stores in the laundry products isle.
Step 3
Use a hand sander to roughen up the surface in preparation for painting. Sand enough to remove the outer gloss finish. Do not over-sand or you will have to do fiberglass repairing before painting. Rinse off the dust and dry.
Step 4
Wipe the surface with lacquer thinner and follow up by painting a layer of primer with a paintbrush. Allow recommended label drying time.
Step 5
Spray the aliphatic acrylic urethane paint with the high-volume, low-pressure paint sprayer. Apply three layers, lightly sanding between each layer. This will create a high-gloss finish. Allow the paint 48 hours to dry and re-caulk the edges using a caulking gun and a high-quality silicone caulk.
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