Water-Based Stain Protection for Quartz & Engineered Stone Lustro Italiano Quartz Stone Sealer is a water-based sealer purpose-built to protect quartz and engineered stone surfaces from stains, spills, and dirt. It penetrates the surface to create a protective barrier without altering the stone's color or leaving any surface film — the quartz looks exactly the same after sealing, just better protected. Food-safe formula. Ready-to-use 16 oz spray — no dilution required. Compatible with all major quartz brands and engineered stone products. Key Features & Benefits Water-Based Formula — No Color Change, No Surface Film Penetrates the surface without altering the quartz's appearance — no darkening, no sheen, no film left on the surface after application. Stain Protection Against Spills & Dirt Creates a protective barrier that resists staining from everyday spills — water, oil, food, and household substances. Food-Safe Safe for use on kitchen countertops and food-contact surfaces after the 24-hour cure period. Ready-to-Use Spray No dilution, no mixing — spray on, let absorb, wipe off excess. Simple application with no professional equipment required. Compatible Surfaces Quartz (engineered stone) — all major brands Engineered stone countertops, vanities, and floors How to Use Clean and dry the surface thoroughly before treating. Use Lustro Italiano Quartz Stone Cleaner for best results. No dilution necessary — use directly from the spray bottle. Apply product to the surface using a clean cloth in a circular motion. Allow to absorb for 5 minutes. Remove any excess with a clean, dry cloth. Wait 24 hours before use, especially on floors. Reapply as necessary to maintain protection. Important: Test on a small, hidden area before treating the full surface for the first time. Frequently Asked Questions Does quartz need to be sealed? Engineered quartz is non-porous and more stain-resistant than natural stone, but sealing adds an additional layer of protection against surface staining and makes routine cleaning easier. It's particularly useful in high-use kitchen environments. Will it change the color or appearance of my quartz? No. The water-based formula is designed to leave no color change and no surface film — the quartz looks the same after sealing. Is it food-safe after curing? Yes — food-safe after the 24-hour cure period. How often do I need to reapply? Reapply as needed based on use and surface conditions. High-traffic kitchen countertops may benefit from resealing annually. Can I use it on natural stone like granite or marble? This sealer is formulated for quartz and engineered stone. For natural stone, use Lustro Italiano Stone Sealer instead. How long before I can use the surface after sealing? Wait 24 hours before use, especially on floors. Works Well With Lustro Italiano Quartz Stone Cleaner — clean before sealing for best adhesion Lustro Italiano Quartz Stone Polish & Enhancer — enhance color and shine after sealing Lustro Italiano Quartz Stone Cleaner & Polish Enhancer Kit — cleaner and polish together From the Blog Quartz vs. Natural Stone Countertops — Care & Cleaning Differences Explained → Learn how quartz and natural stone differ, which products to use on each surface, and the mistakes that can permanently damage both. Pro Tool Haus — Certified Lustro Italiano Distributor Pro Tool Haus is a certified, expert-trained distributor of Lustro Italiano stone care products. Fast shipping, competitive pricing, and real product knowledge from people who work in the stone industry every day.
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