Home // Products // Water Repellent Sealer // ImperGuard BC



Other Products

ImperGuard SF
ImperGuard RF
ImperGuard MG

Water Protection for the back side of the stones

ImperGuard BC is a water-based product formulated to be applied on the back of the stones before use.

  • ImperGuard BC is a water resistant product designed to limit the capillary absorption of the water.

  • ImperGuard BC is a pure impregnation. It does not form any film and allows the stone breathing.

  • ImperGuard BC is completely invisible after application. It does not change the aspect or the structure of the substrate.

Chemical Nture

Water-based emulsion of silanes..


Coverage depends on the porosity of the material. The figures below should be used only as a general guideline:

  • 5 to 15 m² / litre

Advantages and Characteristics

  • Avoids degradations due to freeze thaw cycles.
  • Avoid the capillary absorption of the water of the floor.
  • Non film-forming.
  • Not harmful.
  • Water-based product.
  • Low VOC rate.
  • UV resistant, does not turn yellowish.
  • Invisible once dry.
  • Ready to use.
  • Easy to use.
  • Non flammable.

Technical Data

  • Physical state at 20 °C : Liquid
  • Appearance : White
  • Odour : None
  • pH : 8,5 ± 1
  • Boiling point [°C] : ± 100°C
  • Density : 0.97 ± 0.02
  • Solubility in water [vol/vol] : Total
  • Flash point [°C] : > 65
  • VOC : < 10 g/l

How To Use

  • Shake before use.
  • Always make a test before using on a large surface.
  • Do not dilute the product.
  • Apply the product on a dry clean surface with no dust.
  • Apply the product using a roller or an Airless sprayer.
  • The substrate should be saturated, usually in 2 coats.
  • Drying time : 24h.

Cleaning your Equipment

  • Clean tools and equipment immediately after use with water.


  • 5 and 20 litres.

Average figures given for reference only. The actual quantity of product needed depends on the substrate’s porosity.

Ecological Product

ImperGuard BC is :

  • Petroleum solvent free.
  •  IS GOING TO BECOME CORROSIVE (see CLP regulations)Biodegradable > 90% at 28 days.
  • VOC < 1 g/l.