Corian and quartz are both popular worktop materials, but they have very different properties — and those differences matter a great deal when it comes to repair. Understanding the distinctions helps you know what to expect from the repair process and what outcome is achievable.
What Is Corian?
Corian is a solid surface material made from acrylic polymer and natural minerals, manufactured by DuPont. It’s available in hundreds of colours, non-porous, and repairable by sanding. Because it’s the same colour all the way through, deep scratches can be sanded out and re-polished — something not possible with surface-coated materials.
What Is Quartz?
Engineered quartz (brands include Silestone, Caesarstone, Compac and many others) consists of around 90–94% crushed quartz bound with resin and colour pigment. Unlike Corian, it cannot be sanded back — the pattern is not homogeneous through the slab. Chips and cracks require filling with colour-matched epoxy resin.
Repair Differences at a Glance
Corian
- Scratches and light chips: sanded and polished out in many cases
- Deep chips: can be filled with solid surface adhesive and re-sanded flush
- Seam issues: can be re-bonded and sanded flat
- Overall: very repairable, especially for plain/solid colours
Quartz
- Chips: filled with colour-matched two-part epoxy, polished level
- Cracks: resin-injected and finished if hairline; severe cracks may require section replacement
- The repair compound is matched to the specific quartz colour and pattern as closely as possible
- Overall: very good results achievable on plain and semi-plain quartz; patterned or sparkle quartz is more challenging
Which Is Easier to Repair Invisibly?
For solid or near-solid colours, Corian is generally easier to repair invisibly because the fill material can be sanded flush and the texture re-matched through polishing. Quartz repairs are excellent but the pattern element adds complexity.
Get a Quote for Your Worktop
Whether you have Corian, quartz or another solid surface, send photos for a free professional assessment. Request a free repair quote →






