How to repair a laminate benchtop

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How to repair a laminate benchtop

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Benchtops & Cabinets How to repair a laminate benchtop If you have a laminate benchtop with a split or bulge in it, here’s how you strip and patch it up before resurfacing.

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Project Overview

If you’re planning to resurface your laminate benchtop, it’s important to make sure your surface is nice and flat. Water can often damage the chipboard underneath the laminate causing it to swell and develop unsightly bulges or splitting. This video shows you how to get rid of that damage and patch the laminate to look good as new. Continue to step-by-step instructions
0105PaintLaminateBenchtopthumb
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How to prevent your sandpaper from sliding

Just by folding your sandpaper into thirds, it will hold together much better than folding it in half. The paper will be steady in your hands, which helps make the job much quicker. Plus, you get more use out of the whole surface of the paper.

Step by Step Instructions

1 Cut around the damaged area of the laminate
2 Scrape off the damaged laminate and sand back the chipboard
3 Patch the hole with builder’s bog
4 Scrape off the excess builder’s bog and sand it back to be smooth and level
  • Step 1. Cut around the damaged area of the laminate

    If you’re planning to resurface your laminate benchtop, you need to make sure the surface is flat by removing any damaged or raised areas first. Start by marking out the damaged area with your marker and ruler. Make sure you have your safety gear on (gloves, mask, goggles, ear protection), then use your grinder to cut around the damaged section of laminate.
  • Step 2. Scrape off the damaged laminate and sand back the chipboard

    Now use your paint scraper to get in under the damaged laminate and lift it off the chipboard. Once the laminate is removed, use a course-grain sand paper to flatten down the chipboard. Then give it a quick wipe with a cloth to get rid of any loose material.
  • Step 3. Patch the hole with builder’s bog

    Mix up a batch of builder’s bog on your mixing plate. When it’s ready to use, it should be a light pink colour. Then apply it to the gap in your laminate with a wide-edge paint scraper. Make sure you spread it on thick. You’ll be sanding this back to bench level, to make that job easier clean off any excess bog before it sets.
  • Step 4. Scrape off the excess builder’s bog and sand it back to be smooth and level

    Once the bog is dry and had time to properly cure, use a chisel and scraper to gently remove any excess. Then roughly sand the bog back to bench level using 120-grit sandpaper. When it’s level with the bench, use the finer-grade 240-grit sandpaper to smooth back the surface. Give it a light sweep with your dust brush and the bench surface is ready for painting.

Tools and Materials

Tools

  • Builder’s bog
  • Diamond grinder blade
  • Dust brush
  • Ear muffs
  • Face mask
  • Goggles
  • Grinder
  • Marker
  • Mixing plate
  • Paint scraper
  • Ruler
  • Spatula
  • Wood chisel

Materials

  • 120 grit sandpaper
  • 240 grit sandpaper
  • Cloth
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0128RepairLaminateBenchtiop15summary 03:21

Benchtops & Cabinets How to repair a laminate benchtop If you have a laminate benchtop with a split or bulge in it, here’s how you strip and patch it up before resurfacing.

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Health & Safety

Please make sure you use all equipment appropriately and safely when following the advice in these D.I.Y. videos. You need to be familiar with how to use equipment safely and follow the instructions that came with the equipment. If you are unsure, you may feel it is safest to consult an expert, such as the manufacturer or an expert Bunnings Team Member.

Grave health hazards are linked to asbestos, which may be in homes built up to 1990. Health hazards may result from exposure to lead-based paints in older materials and copper chromium arsenic (CCA) treated timber. For information on the dangers of asbestos, lead-based paint and CCA treated timber and tips for dealing with these materials contact your local council's Environmental Health Officer or visit our Health & Safety page. You can also use a simple test kit from Bunnings to indicate the presence of lead-based paint.
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