How to sand a Corian counter?

Author: Mr. Tavares Jast V  |  Last update: Sunday, April 26, 2026

Depending on depth of scratches begin sanding with 120 or 150 grit paper. It is important to follow the sanding path “North – South, East – West” as detailed below for each sanding step. Sand with 180 grit and clean top with denatured alcohol or water. If scratches remain, Repeat Step 3.

What is the best sandpaper for Corian?

Start with 120 grit sandpaper first, followed by 180-220 grit. After sanding, a uniform matte finish can be obtained by buffing with a green Scotch-Brite® buffing pad. For a semi-gloss, continue sanding with 320 followed by 400 grit. Then buff with a gray Scotch-Brite® pad.

How do I make Corian look new again?

Wipe the countertop surface with the help of an ammonia-based spray cleaner or warm soapy water for minor residue buildups, or with an abrasive cleaner for heavier buildups. This will help to remove minor scratches, scorch marks, and very stubborn stains from the Corian countertop and will revitalize it.

Can a Corian countertop be refinished?

When your Corian countertops start looking like they need a refresh, you have two options: Refinishing them or replacing them. If you have semi-custom cabinets, you need to think more carefully about what you do so you can protect the investment you have made.

Can Corian countertops be sanded?

Corian® is the Same Color Throughout, So—Sand Away

If necessary, deep cuts or scratches can be removed using 120-grit, followed by 180-grit.

Scratch Removal Fast - Corian Solid Surface Countertop Scratch Removal Sanding

What grit sandpaper for countertops?

Medium Grit (80–120): Ideal for initial sanding of moderately rough surfaces. These grits strike a balance between removing material and not leaving overly rough surfaces. Fine Grit (150–220): Used for final sanding before applying a finish.

Can Corian be repolished?

We offer a full sand up and republishing service for your Corian worktops to remove mark, scratches and stubborn stains to bring your worktops back to how they looked when they were first installed.

Is magic eraser safe on Corian?

Do Not Use On Granite or Marble. If you have soft surface countertops like granite or marble, step away from the magic eraser. You can use them on laminate, Corian, quartz, and other solid surface countertops, but do a spot check.

How do I make my Corian white again?

If you are noticing that your Corian® sink is not as white as it once was, you can easily fix this with simple household bleach. It is recommended that you mix ½ cup of bleach with warm water to each sink bowl and let the solution sit for a minimum half an hour.

What should you not use with Corian?

Keep nail polish remover, bleach, detergent, permanent markers or inks, and oil soaps away from your Corian® Quartz.

How to shave down Corian?

A circular saw with a carbide-tipped blade is the best tool for cutting Corian, as it will create a smooth, clean cut. A jigsaw can also be used, but it is more likely to chip the material.

Can you sand a Corian sink with a sander?

Re: Sanding Corian

Assuming it's not a high gloss finish, then the ETS150 will be the best sander to use. Preferably with a hard pad if you have one.

Why is my Corian dull?

Because Corian has been manufactured with Resilience Technology ™ in a way that allows sanding, cutting, carving and so forth, these inherent benefits also mean that they react much like stone and wood worktops if treated harshly and the surface will show scratch marks, dull areas, and heat damage.

What damages Corian?

Never put hot pans, in particular cast iron pots or hot casserole dishes directly on a Corian® top or in a sink. Such heat can damage any surface. Preventing Other Damage Be aware of what your Corian® surface has been exposed to. Harsh chemicals may damage the surface (e.g. paint removers, oven cleaners, etc.)

How long do Corian countertops last?

Corian and other solid surface materials are generally warranted for 10 years; but in practice, they can easily last 30 years or more. Scratches and burns—or simply the need to change styles—may eventually make you want to replace these countertops.

What are the negatives of Corian?

In terms of durability, Corian tends to be more easily damaged by hot surfaces than natural stone. It's also more prone to scratches than surfaces like quartz and granite.

What cleans Corian the best?

Grease, fat and oil – use a small amount of dilute bleach and rub with a microfiber cloth. Make sure you rinse the area thoroughly with warm water afterwards to prevent staining. Minerals, lime scale and hard water – apply lime scale remover or vinegar with a microfiber cloth and leave for a few minute before rinsing.

Does white Corian turn yellow?

No. Corian® is colour stable and non-photosensitive. This is because it contains an acrylic binding agent that does not turn yellow.

How do you sand and polish Corian?

Sand with 240 grit and clean top with denatured alcohol or water. Sand with 320 grit and clean top with denatured alcohol or water. Inspect top, If all scratches have been removed, finish top with a gray scotch Brite pad. Create a matte/satin finish on mid to darker colors like Suede or Cocoa Brown.

Can Corian be cleaned with vinegar?

Most stains can easily be removed and even the more stubborn stains can be removed with little effort. Some ideas for removing stains from your Corian worktops: Spray lemon juice or vinegar on the stain and leave for a few minutes.

Can you sand scratches out of Corian?

Please always apply caution when sanding your Corian ® surfaces and don't use any strongly abrasive products. Wet the area where the scratch is located, before cleaning with mild-abrasive cleaning liquid and a damp sponge or cloth. Rub across the area with small circular motions until the entire area has been cleaned.

Is Corian still available?

Today, Corian® is used for kitchen countertops, vanities, and shower surrounds, as well as wall cladding, toilet partitions, signage, elevator cladding and much more! A sheet of Corian® is like canvas for your imagination. After all, you can do nearly anything with it.

Why do my countertops feel gritty?

If grit is present on your granite countertop, it is likely due to poor quality granite – an issue which cannot be solved readily without countertop replacement. In some instances, grout particles may flake off from newly grouted backsplash, although this is less common.

How to sand down a countertop?

Start by removing any old finish and cleaning the surface thoroughly. Then begin sanding, starting with coarse-grit sandpaper and progressing to a fine grit for a smooth finish. After sanding, wipe down the surface using a lint-free cloth soaked in mineral spirits to remove any sanding residue.

Previous article
What does a deep clean include?
Next article
Where to place a tower fan in a room?