How to Get Suction Cups to Stick on a Textured Tub or Shower

Use sandpaper to smooth textured surfaces.
Use sandpaper to smooth textured surfaces. (Image: Comstock/Comstock/Getty Images)

Suction cups can secure shelving, shower caddies and hooks to showers and tubs for better organization and storage of toiletries. Tubs with textured surfaces pose a problem for these handy accessories because the suction cups cannot form a strong seal and stick. However, the cups can stick with simple preparation of the textured surface.

Things You'll Need

  • Bathtub cleaner
  • Hand orbital sander
  • 40-grit sandpaper
  • 150-grit sandpaper
  • Towel
  • Shampoo

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Clean the textured space where the suction cups will be applied with a bathtub cleaner.

Sand down the area using a hand orbital sander equipped with 40-grit sandpaper. This coarse grit provides heavy sanding that will strip and flatten the textured surface.

Sand down the same area using 150-grit sandpaper. This fine grit smooths the area, allowing for an even surface where the suction cups can stick.

Rinse the sanded surface and wipe dry with a towel.

Apply shampoo directly to the suction cups and press the cups firmly to the newly sanded surface. Hold the cups to the surface for about one minute for a secure set.


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