Acrylic sink repair

Written by marion sipe
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Acrylic sink repair
Repairing small damage is cheaper than buying a new sink. (sink and faucet image by MAXFX from

Scratches, chips and nicks in your acrylic sink can be unsightly and annoying, but they can also be repaired. There are many kits on the market that can help you with your repairs, and they all work on the same principles and are all fairly easy to use. Understanding the basics will help you use any kit with confidence and repair those unsightly dings or scratches in no time at all.

Skill level:

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Things you need

  • Repair Kit
  • Wet/dry fine grit sandpaper
  • Acetone
  • Hair dryer
  • Soft cloth

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  1. 1

    Find the kit that lets you get the best colour match. For the repair to look its best, a colour match is very important. Many kits offer different colours, and some offer toners that will let you lighten or darken the repair materials for a better match.

  2. 2

    Thoroughly clean the sink. Dirt or dust on the sink's surface will keep the repair materials from adhering, and they may make it harder for you to distinguish the scratch or nick from the surrounding area.

  3. 3

    Wet a piece of wet/dry fine grit sandpaper and smooth out the edges of the scratch or nick. Remember you're not trying to sand out the damage, just to create a surface to which the repair materials can adhere. Wipe acetone over the scratch or chip to make sure it's free of oils and particulates from the sanding.

  4. 4

    Add the catalyst. Most kits, including most used by professionals, have two separate ingredients, filler and a catalyst. When the two are mixed together, the catalyst begins to harden the filler. The process takes time, so the filler can be smoothed into cracks, scratches and chips and then will harden to repair the damage.

  5. 5

    Apply the filler and catalyst mixture to the damaged area of the sink. Overfill the scratch, chip or crack a little so filler covers it. This will help the repaired area blend with the surrounding area.

  6. 6

    Allow the filler to dry. This can take from 10 minutes to an hour or sometimes more, but you can speed the drying time by using a hair dryer.

  7. 7

    Rub the repair with wet sandpaper to smooth out the edges or any rough patches and to sculpt the filler to the shape of the sink. Buff the area with a soft cloth to polish and finish the blending.

Tips and warnings

  • If you use a toner to adjust the colour of the filler, do so before adding the catalyst.
  • Always wet your sandpaper before sanding your sink.
  • Properly ventilate the area in which you'll be working by opening windows and using a fan to draw air out.
  • Wear gloves and don't let the repair products come in contact with your skin or eyes.

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