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Sika® Dustproofer & Concrete Hardener

For strengthening weak or porous concrete 

Sika® Dustproofer & Concrete Hardener is formulated from high quality silicate resins to both harden and dustproof new and old concrete floors for both internal and external use. It reacts chemically with the lime content of concrete to form a surface that resists wear, efflorescence and surface degradation.

  • Internal and external use.
  • Fast acting.
  • Leaves a residual surface to prevent further dusting.
  • Helps prevent bloom/efflorescence.
  • Dries clear.
  • Easy water clean up.
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Product Data Sheet Show all documents

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

CE and UKCA marked under Harmonised EU (Designated UK) standard EN1504-2 Surface protection products.
Product Information

Shelf Life

24 months from date of manufacture

Storage Conditions

Store at +5 to +25 °C in cool dry conditions away from direct sunlight. Store away from children. Protect from frost. 

Density

1.17 - 1.24 g/cm3

pH-Value

>11

Application

Application Information

Waiting Time / Overcoating

24 hours

 
Consumption

Consumption

1 L will cover approximately 5 m2 of surface, depending on nature of surface, per coat.
Application steps

SUBSTRATE PREPARATION

Stir well before use. Remove all surface debris and growth from the area to be treated. Remove and dig out all damaged areas and repair any defects.

APPLICATION

Apply by brush or spray at a rate of 1 L per 5 m2. Work well into surface. Apply a second coat after 24 hours. Allow second coat to dry for 24 hours then hose down entire area with cold, clean water to remove any unreacted surplus material. Further coats may be applied to exceptionally dusty or very porous floors.

 

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