1. What is GLEAN Back to Black Stone Sealer & Restorer used for?
GLEAN Back to Black Stone Sealer & Restorer is a premium water-based solution that restores the deep black colour of faded stone surfaces while providing long-lasting protection. It is ideal for black limestone, slate, marble, concrete, porcelain, and granite.
2. Which surfaces can I use it on?
This product is suitable for:
• Black limestone
• Slate
• Marble
• Concrete
• Porcelain
• Granite
It works on both natural and man-made stone surfaces, indoors and outdoors.
3. How does it restore and protect stone?
The formulation contains black pigmentation that enhances and restores faded dark stone. Its impregnating sealer penetrates the surface to create an invisible barrier, protecting against:
• Water
• Oil
• Dirt
• Limescale
• Grease
4. How do I apply GLEAN Back to Black Stone Sealer & Restorer?
1 Shake well before use. Ensure the surface is clean, dry, and free of grease or dirt. Pre-cleaning with GLEAN Heavy Duty Floor & Stone Degreaser is recommended for optimal results.
2 Apply evenly with a brush or cloth, avoiding overspill. Apply sparingly and test on a small, inconspicuous area first.
3 Allow to absorb and dry. Reapply additional coats at 2-hour intervals until the desired depth of colour is achieved.
Do not apply to hot surfaces, as the sealer may evaporate before absorption.
5. How much coverage does it provide?
Coverage is approximately 15–30m² per litre, depending on the surface type and porosity.
6. Can it be used indoors and outdoors?
Yes. GLEAN Back to Black Stone Sealer & Restorer is suitable for both interior and exterior applications, making it ideal for kitchen worktops, bathrooms, patios, driveways, and decorative stone features.
7. Do I need to clean the surface before application?
Yes. Surfaces must be clean, dry, and free from contaminants such as dirt, grease, oil, or limescale. For heavily soiled surfaces, pre-clean with GLEAN Heavy Duty Floor & Stone Degreaser.
8. How many coats should I apply?
One coat may be sufficient for light fading, but multiple coats at 2-hour intervals can be applied to achieve the desired depth of black colour.
9. How should I store the product?
Store in a cool, dry place, protecting from frost. Keep the container tightly closed when not in use.
10. Is it made in the UK?
Yes. GLEAN Back to Black Stone Sealer & Restorer is proudly made in Great Britain, ensuring quality and performance you can trust.
