Greengates Builders Merchants

Sika Concrete Hardener And Dustproofer Available From Greengates Builders Merchants Accrington, Lancashire

Concrete Hardener & Dustproofer is a concentrated silicate solution for direct application to concrete. Concrete Hardener & Dustproofer hardens and dustproofs the surface.


  • Internal and external use.
  • Fast acting.
  • Leaves a residual surface to prevent further dusting.
  • Helps prevent bloom/­efflo­res­cence.

Areas for use:

As a dustproofer for new and old concrete/­cement based floors, screeds and paving in factories, garages and domestic dwellings.

Further information:

  • Only for use on cement containing surfaces.
  • Always wash down to remove unreacted material after use.
  • Will not restore badly disin­teg­rated concrete.
  • Do not treat concrete within 28days of laying.


  • Always read the label before use and wear suitable protective equipment.
  • Remove all surface debris and growth from the area to be treated.
  • Repair any defects.
  • Apply by brush or spray at a rate of 1litre per 5 sq. meters.
  • Work well into the surface.
  • Apply a second coat after 24hrs. Allow the second coat to dry for 24hrs.
  • Then hose down the entire area with cold, clean water to remove any unreacted surplus material.
  • Further coats may be applied to excep­ti­onally dusty floors.

Health & Safety:
Contains sodium silicate. Risk of serious damage to the eye. Wear suitable eye/face protection. Avoid contact with skin. If the product enters the eyes, rinse immediately with copious quantities of water and seek medical advise. Keep out the reach of children.

Storage: Store at moderate temperatures in original containers. Protect from frost.

Greengates Builders Merchants delivering to the whole of Lancashire including: Accrington, Blackburn, Burnley, Clitheroe, Darwen, Great Harwood, Haslingden, Padiham and Pendle.

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