How to Clean Corian worktops

Corian® is built to last. Follow our simple guidelines to help maintain the beauty of your Corian® surfaces.

Although Corian® is completely non-porous, it is still advised that any spills are wiped-up immediately. A damp microfiber cloth is fit for this purpose; use a standard kitchen spray to remove any stains that occur.

Avoid using window cleaners on your Corian® worktops, as they can leave a waxy residue that will dull the surface.  For most substances, warm soapy water, an ammonia-based household cleaner, or a dedicated worktop cleaner will be enough for cleaning your Corian® countertops. Always clean with a lint-free cloth, using a circular motion.

If water is left to dry on the surface, a film will build up and dull the surface. Over time, the finish will appear blemished and patchy. To prevent water marks, water should be wiped up immediately from the surface. Use a lint-free cloth in a circular motion to ensure the surface is polished dry.

Over time, your countertop will gain a sheen to its surface.

Some Corian® colours may require more frequent care and maintenance. Darker colours tend to require this frequency over lighter colours. Please note that dark colours can show light scratches more easily but rest assured —Corian® countertops can be easily restored.

Corian ®Sinks

To preserve the beauty of your Corian sink, carry out the following weekly maintenance routine:

  1. Remove all residues that have built-up in within the sink from daily use, using a hard-surface cleaner or detergent.
  2. Use a mixture of ¾ liquid bleach to ¼ water in a spray bottle and treat the sink. leave a few hours or overnight. Don’t leave your sink exposed for more than 16 hours.
  3. Return to the sink and rinse with water. The sink should be completely clean with any stains and marks removed and further staining prevented.

Dealing with potent stains

For common household spills with more potent items, such as vinegar, lemon juice, coffee, tea,  dyes, ketchup, red wine, potent spices etc. specific action should be taken. For information, refer to the table in our use and care guidelines.

Hard Water

Hard watercan cause a limescale and staining on your Corian® surfaces that will worsen over time. If you are experiencing the effects of living in a hard water area, we recommend “Viakal” gel.  Apply and leave “Viakal” gel to the affected area and leave for 2-4 minutes. After time has lapsed, remove the gel with a damp microfiber cloth. Using a clean microfiber cloth, rinse the area thoroughly with water. If any residues remain, use a a mild abrasive cleaning product and cloth to work on the area.

Preventing Damage

In most cases, if a Corian® surface is damaged, it can be easily repaired. However, please make sure to follow these guidelines to help you prevent any permanent damage to your Corian® countertop.


Corian® is heat resistant but is not heat proof. As with all countertop materials, it is vital to avoid direct heat exposure to your surface. All heat as stated below, can and will cause damage to your Corian® surface.
DO NOT place hot items (such as pans, kettles, oven pots etc.) directly on the countertop surface. 

DO use the correct size pan for your hob and place centrally. An overhanging pan will scorch the surrounding surface.

DO use heat trivets when placing hot matters on any surface.

DO use heat protective items under portable heat-generating appliances, such as a toaster oven.

Boiling water

DO Allow pots and pans to cool before placing into a Corian® sink.

It is a recommended practice to run cold water from the faucet while pouring boiling water into the sink.

In every-day use, Corian® will develop slight abrasion marks however, to avoid heavy damage, never cut directly onto a Corian® surface. Always use a chopping board when preparing food.

We do not recommend the use of instant boiling water taps with Corian® sinks. boiling water from this type of tap may cause surface damage in and around the Corian® sink. If a boiling water tap is installed with Corian, a container should be used within the sink to collect boiling water.


Please note: Dark and heavily pigmented colours will show scratches, dust and ordinary wear and tear more readily than lighter, textured colours. 

Chemical Spillage

If there is a spillage of any strong chemicals on your Corian® surface, immediately wash the area with plenty of soapy water to avoid damage the countertop. Such harsh chemicals may include but are not limited to: paint stripper, spirits, metal cleaners, oven cleaners, cleaners containing methylene chloride, acid drain cleaners, acetone based nail varnish removers.

For varnish or paint spills, a non-acetone-based remover can be used and then flushed away with water. Unnoticed and lengthy exposure to chemicals will damage the surface.

Please note: Any damage to Corian® surfaces caused by not adhering to the above guidelines would not be covered by the DuPont 10 Year Warranty.

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