Nano Scale Coatings

7624 Activated Stone Coating

Activated Hydrophobic + anti-mould coating (SiO2+TiO2) suitable for stones and porous painted surfaces

Properties

  • Effective protection against algae, moss, and lichen growth
  • Long-lasting water-repellent effect
  • Prevents unpleasant odors (e.g., from urine)
  • Guaranteed color stability
  • Resistant to acids, bases (pH 1-14), and saltwater
  • Quick drying with rapid protective effect
  • Reduces capillary water absorption and provides hydrophobic properties
  • Strengthens surface structure
  • Photocatalytically active (breaks down pollutants like H₂S, NOx, ozone, and VOCs)
  • Bleaches organic stains
  • Coverage: 30–40 m² per liter with spray application

PFAS-FREE

Learn more about how we set new industry standards.

Photocatalysis

Photocatalysis: Methylene blue colouring of an open-porous limestone slab in accordance with DIN 52980 over 24 hours.
Methylene blue colouring of an open-porous limestone slab in accordance with DIN 52980 over 24 hours.
With the help of photocatalysis dyes are bleached on the surface!

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Stone Coatings in Comparison

Properties 7620
Details		 704 / 705
Details		 7641
Details		 7626
Details		 8637
Details		 7622
Details		 7624
Details		 695
Details
Use cases Concrete, tiles (unglazed), roofing tiles, brick/masonry, limestone, sandstone, mineral plaster, natural stone, façade, slate Concrete, plaster, natural stone (granite, slate, basalt, sandstone, limestone), roof tiles, clinker Marble Graffiti Protection for up to 50 times, for commercial locations, for aluminium siding, (fibre) glass, masonry, metal, street signs, stucco, utility boxes, vinyl siding, wood For monuments, Statues, high value stone art works, paving-stone systems and terrace tiles Wet room walls, concrete seating in public areas, stone foyer areas   Concrete, plaster, natural stone (granite, slate, basalt, sandstone,
Application Spray, brush, roller Spray, brush, roller Spray, brush, roller Brush, roller, convention or airless spray Spray, brush, roller Spray, brush, roller Spray, brush, roller Spray, brush, roller
Application Temperature <-10°C - 70°C <5°C - 40°C <15°C - 25°C <-5°C - +60°C <5°C - 30°C <5°C - 30°C 15°C - 25°C <5°C - 50°C
m² per liter 8 - 50 20 - 100 50 - 80 8 - 10 10 - 20 10 - 20 30 - 40 5 - 40
Durability 10 - 20 years 5+ years Up to 10 years Up to 20 years Up to 10 years Up to three years 2+ years Up to 2 years
Curing Time 3-6 hours at 20°C 24 hours 7 days at room temperature Touch dry 3-4 hours, full cure 24 hours 12 hours 12 hours 12 hours 12 hours
… based Solvent Solvent Solvent Solvent Water Water Water Water
Available as concentrate No Dilutable up to 1:1 with Ethanol or 1-Methoxy-2-Propanol No No No No No Yes
1:9-1:14 (art. no. 697)
Breathable Yes No No Yes Yes Yes Yes Yes
Visible Might be slightly darker 704: Glossy

705: Matte

 Yes
glossy		 Yes
clearly (glossy)		 No
on most surfaces		 No
on most surfaces		 Matte, transparent No
on most surfaces
Topographical / penetrative Penetrative, extreme abrasion-resistant Topographical Topographical Topographical, very strong bonding Topographical Topographical Solidifies the Surface Topographical
Oil resistant Yes Yes Yes Yes Yes Yes No Yes
Frost resistant Yes Yes Yes Yes Yes Yes Yes Yes
PFOS- / PFOA-free Yes Yes Yes Yes Yes Yes Yes Yes
PFAS-free No Yes Yes Yes No No Yes Yes
Available in RAL colors No Yes
from 1.000 liters		 No Yes
from 100 liters		 No No No No
Dangerous goods No Yes No No No No No No