Composite sinks are composed of several types of highly durable materials, such as quartz, granite resin and heavy plastic dusts. They're also easy to care for, making them popular in kitchens and workspaces. Composite sinks can stand up to quite a lot of heavy use without dulling or cracking easily. However, a composite sink isn't completely impervious to scratches, dings and dulling over time.
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Removing scratches from composite sinks and returning the luster to a hazy finish requires a bit of elbow grease and gentle detergents. Supreme Surface Cleaners recommends that the composite sink be wiped clean of water after each use to keep the surface haze-free.
When working with detergents and taking down grime, use gloves and safety goggles.
When to Restore Composite Sink
The durable surface of a gleaming composite sink can begin to look hazy after years of hard use. When the shine has begun to lift from the granite, quartz or other composite sink, it may need to be put through the restoration process.
Before restoring, give the sink a thorough cleaning. The haze could be from a buildup of detergents or hard water. Use a gentle cleaner, such as a mix of mild dish soap and warm water, to clean the composite material. Make a paste of equal parts of baking soda and water and apply that to the surface of the sink and leave overnight. Rinse clean and buff dry. If the haze remains, the composite sink may need to be re-sealed.
Preparing to Restore Composite Sink
Tape off any areas that you don't want the sealant or detergents to be affected by. The sink should be completely dry and free from any debris, hard water deposit buildup and other layers of dirt or grime so that the composite sink sealer will adhere well to the surface. Make sure the composite sink is thoroughly cleaned and sealed before finishing the restoration project with a polisher.
Composite Sink Restorer
For composite sinks that have been etched by hard water deposits or have deep scratches, a finishing sander with 800-grit sandpaper can remove the scratches, according to Signature Hardware. Deep scratches will need to be filled with an epoxy for composite sinks or acrylic adhesive and sanded down. A granite composite sink repair kit can make the process of restoring the fixture easy.
Once the repairs are complete and the epoxy has had time to cure, wipe down and clean off any residue before applying the composite sink sealer. A sealant and polish with a neutral pH can be applied to the sink regularly to ensure that the haze doesn't return to the composite sink.
Granite Composite Sink Problems
Although lovely to look at and a popular feature for potential homebuyers, granite composite sinks do have their issues. The granite composite sink problems include:
- Color uniformity — Composite granite sinks are more uniform in pattern and color, mking them look less natural than their stone counterparts.
- Cost — The hardy composite granite sinks are much more expensive than stainless steel or the classic porcelain style of sinks.
- Hardness — The quality that makes them so desirable can also make them a problem. Granite composite sinks are not as forgiving on glassware and ceramics compared to stainless steel or other materials.