Black Diamond Stoneworks Natural Stone & Grout Penetrating Shower Sealer – 1 Quart

Effortless Protection for Stone and Grout in the Shower

Refresh and safeguard your bathroom surfaces with a penetrating sealer designed for natural stone and grout. This water-based formula forms a protective barrier that helps resist water penetration, soap scum, and mineral buildup. Its thoughtful design aims to keep marble, granite, travertine, and limestone looking vibrant while reducing routine cleaning efforts.

Ideal for showers and bathroom surfaces, it also works on grout in ceramic and porcelain tile installations. The result is surfaces that maintain their natural color and texture while staying cleaner for longer, even in high-use spaces.

What you gain

• Durable shield against water, soap scum, and mineral deposits for years to come.
• Preserves the natural color and texture of stone while keeping a fresh, true-to-life appearance.
• Prevents buildup and staining, making routine cleaning faster and easier.
• Low-odor, water-based, and non-toxic formula safe for family use and eco-conscious homes.
• Professional-grade quality trusted by homeowners and professionals alike.
• Made in the USA, crafted in San Clemente, CA with careful attention to detail.

Ideal uses and real-life scenarios

• Bathrooms with marble, granite, travertine, or limestone surfaces needing protection.
• Shower grout in ceramic or porcelain tile installations that benefit from longer cleanup intervals.
• Areas where you want to preserve natural beauty while reducing maintenance effort over time.

How to apply

• Clean and dry the surface before application.
• Apply evenly with a clean applicator, ensuring full coverage on stone and grout.
• Let the product cure per label directions, then re-seal as recommended for ongoing protection.
• Wipe away any excess and allow a thorough cure before exposing surfaces to routine use.

Note: Outcomes vary with usage patterns, water quality, and porosity of the stone or grout.