STONE Masonry W3 Sealer

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  • KEEP YOUR MASONRY CLEAN: Forget regular pressure washing of your masonry to keep it clean. The nanoSystem will apply a powerful water-repellent and stay-clean impregnation to your stone keeping it clean and free from dirt staining, algae, lichen and more! Just spray, brush, and leave to dry!

  • COMPLETELY INVISIBLE PROTECTION: After drying, the protective sealer is completely invisible and does not cause any discolorations. The coating is abrasion and UV resistant, yet remains breathable. What's more, it leaves no sticky silicon or wax residue - none of that with our nanoSystem!

  • SUITABLE FOR MANY NATURAL STONES & CONCRETE: This great water-repellent is perfect for a multitude of natural stone and concrete, like sandstone, limestone, granite, brick, cement, mortar joints and more! 

  • UP to 5 YEAR LONG PROTECTION: Not only does the nanoSystem protect stone, extending its lifespan, it does so for a long time, too! It will take up to 5 years before the protection will need a reapplication!

  • ECO-FRIENDLY & COST-EFFECTIVE: 125ml/m2-250ml/m2, water based, contains no solvents, VOCs or Fluorocarbons. The nanoSystem STONE W3 can do more than you probably realize. Keep your masonry clean, protect from damage, protect the environment, save money! By preventing frost damage on your masonry, it can extend the life and help you use less water and harsh detergents when cleaning.

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nanoSystem STONE Masonry W3 is a revolutionary water based solution designed for liquid repellent protection and waterproofing (hydrophobic) impregnation of mineral and stone surfaces. On application, the molecular structure of the substrates outer layer is modified to create an invisible deep long lasting hydrophobic barrier with breathable properties that will protect against water ingress, frost damage, salt efflorescence and inhibit microorganism growth like algae.

nanoSystem STONE Masonry W3 penetrates deep into stone and mortar joints, providing the best possible protection against water, dirt, salt, acid rain and extreme weather conditions.
When applied to mineral surfaces, the result is a liquid repellent effect that causes water or oil droplets to bead on the surface that easily roll off or wipe away leaving the surface completely dry and free from staining or soiling. The surface is easy to maintain and cleaning with toxic chemical or detergents is no longer necessary. Just rinse with water as required.

Suitable applications:

  • Stone walls and buildings
  • Stone cladding, brick slips
  • Brick and masonry, mortar joints
  • Stucco and render, mineral plasters
  • Pre-cast concrete sills, coping and edges


  • Clear coloured water based liquid
  • Ready to use, easily sprayed on surface
  • Penetrate and protects deep into the surface
  • Completely invisible protection once dry
  • Long life span on low friction surfaces
  • Fully vapour permeable and breathable to avoid condensation build up
  • Stay-clean liquid repellent surface prevents staining
  • Inhibits and slows algae, mould and micro-organism growth
  • UV resistant and abrasion-resistant to resist wear and tear
  • Helps strengthen impregnated stone through consolidation
  • Frost resistant to freeze-thaw cracking
  • Prevents lime and salt efflorescence migrating to the surface
  • Eco-Friendly, non-toxic, virtually VOC free


Additional Information

HS Code 38249070
UN Number No
Hazmat No


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General Information

Contact may cause skin or eye irritation. Using with adequate air ventilation, eye protection, and gloves is recommended. Avoid contact with eyes and skin.

Sealer may be damaged if frozen prior to use. Not intended to seal cracks.

The Company does not warranty specific performance results or compatibility with products manufactured by others. The Company shall bear no liability, other than replacement of defective product. A small test must be conducted prior to application. Based upon this test, the purchaser shall determine for themselves the suitability of this product for the intended use.

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