How do you repair an acrylic bathtub?


Quick Answer

To repair a cracked acrylic bathtub, drill holes around the crack, insert foam, apply filler, sand it, paint the surface, and buff it. This one-day project requires a drill, foam insulation, polyester filler, a knife, a rubber applicator, sandpaper, rags, alcohol, paint, a paint gun, urethane compound and a buffer.

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Full Answer

  1. Drill holes around the crack

    Drill holes around the crack to form a 12-inch square. Pack the holes with foam insulation, and trim the excess with a knife. Buff the surface with 240-grit sandpaper, and then drill one hole at each end of the crack. Leave the end holes empty.

  2. Apply polyester filler

    Use a rubber applicator to fill the crack with polyester filler. Smooth the surface, and dry it according to the manufacturer's instructions. Sand the dried filler with fine sandpaper.

  3. Remove sanding debris

    Wet a rag with denatured alcohol, and wipe the sanded filler. Ensure no sanding debris remains.

  4. Paint the repaired crack

    Load a spray gun with bathtub repair paint, apply one light coat, and let it dry. Apply additional coats until the repair is no longer visible.

  5. Buff the tub

    Apply urethane polishing compound, and buff it into the tub. Polish the repair until its edges blend seamlessly into the surrounding acrylic.

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