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Burnished Concrete Liquid Floor Hardeners/Densifiers

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Sodium Silicate Liquid Floor Hardener/Densifier

Quality floor densifier that hardens, seals, densifies and dustproofs new and existing concrete floors.


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By and large, this water-based floor densifier offers exceptional results. Duro-Nox is a traditional silicate concrete liquid floor hardener, sealer and densifier that offers premium performance and protection. Chemically active components in Duro-Nox’s formulation react with available free limes present in concrete in order to harden, seal, densify and dustproof new and existing concrete floors. Calcium silicate hydrate gels are formed and become a permanent part of the floor, in effect increasing abrasion resistance by up to 39% and increases surface hardness by up to 12%.

Duro-Nox reduces the porosity of concrete, therefore creating chemical resistance to most organic acids, alkalis, salts, foods, fats, oils and more. As a result, Duro-Nox provides permanent protection and develops an attractive, glossy sheen over time.

Finally, as a follow-up to Duro-Nox floor densifier, we recommend Duro-Polish for a high-gloss shine. Duro-Nox is part of the Duro-Floor Classic System.

Advantages of this Floor Densifier

  • Increased resistance to damage from impact, wear and abrasion
  • Suitable for areas with high volume of pedestrian or vehicular traffic
  • Provides permanent protection to the depth of penetration
  • Reduces absorption of water, oil, dirt and grease as a result of reduced porosity
  • Densifies, strengthens, seals and dustproofs soft or dusty concrete floors
  • Improves adhesion of line stripes, paints and coatings
  • Green Engineered™ in order to be better for health and the environment
  • Treated surfaces last longer, look better and ultimately cost less to maintain
  • Water-based formulation meets all federal and state VOC requirements
  • Complies with USDA requirements for incidental food contact
  • 20-year performance warranty available

Duro-Nox Floor Densifier is Ideal for use in:

  • Warehouses
  • Distribution centers
  • Large retail centers
  • Office complexes
  • Auditorium and sports centers
  • Food processing plants
  • Correctional facilities
Resource Downloads

Product Data Sheet
English PDS - Duro-Nox    |   French PDS - Duro-Nox    |   Spanish PDS - Duro-Nox

Safety Data Sheets
English SDS - Duro-Nox    |   French SDS - Duro-Nox    |   Spanish SDS - Duro-Nox

Additional Documents
Duro-Floor Classic System Brochure    |   Maintenance Guide    |   Tech Bulletin: ASTM C779    |   Flooring Market Brochure    |   

Guide Specifications
PDF    |   Word