- 1). Take the tub outdoors.
- 2). Wash the plastic tub with a water-based degreaser and a coarse sponge. Don't use a chemical degreaser, which may leave fine traces of residue that could inhibit adhesion.
- 3). Rinse all of the cleanser from the plastic tub using a water hose. Let the tub dry under the sun for about an hour or two.
- 4). Abrade the plastic tub with sandpaper or the bonding base won't adhere. Scour every part of the tub until it feels rough to your hands. Leave no spot unscoured or peeling will result.
- 5). Coat the plastic tub with spray primer. Promote flawless results by holding your spray can no closer or farther than 8 inches from the tub. Maintain consistent movement across the tub without stopping on any one area too long. Failure to do so may cause sagging. Let the primed plastic dry for at least two hours.
- 6). Coat the plastic tub with spray enamel. Holding your spray can no closer or farther than 8 inches from the tub. Maintain consistent movement across the tub without stopping on any one area too long. Let the finished plastic dry for at least two hours.
- 7). Paint a fixed plastic bathtub using the same technique. Use masking paper and low-tack painter's tape to thoroughly cover adjacent surfaces, such as flooring and walls, or staining may result.
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