IMPORTANT! Freight Pick ups are Wednesday and Friday from 1:00pm to 4:00pm. If you need your order urgently, please contact us
IMPORTANT! Freight Pick ups are Wednesday and Friday from 1:00pm to 4:00pm. If you need your order urgently, please contact us
Si20-DS – Water Based Sealer and Densifier

Si20-DS – Water Based Sealer and Densifier

$80.00

Si20-DS – Water Based Sealer and Densifier

$80.00

Si20-DS – Water Based Sealer and Densifier

$80.00

Size

5L 20L

Products will be delivered between 1 and 5.

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Product description

Si20-DS is a water based silicate and siliconate densifier-water repellent sealer for use on most types of porous limestone and concrete building materials.

Si Densifiers & Moisture Barriers – Silicates

Si Chemistry: Silicate based densifiers and moisture barriers are alkaline solutions containing soluble metal silicate salts. They are small molecules that when applied onto a substrate penetrate deep below the surface. They chemically react with cementitious substrates to form a cross-linked silicate polymer that permanently blocks substrate capillaries reducing the movement of water. The substrate becomes significantly denser, harder and stronger and is less susceptible to dusting.

Key advantages

Significantly increases density, hardness and strength

Excellent dust proofing of substrates

Significantly reduces movement of water

Minimises efflorescence

High penetration into masonry surfaces

High wear resistance, UV stable, long life

Can be applied to damp or wet substrates

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How to Apply

  • Clean the surface then rinse thoroughly
  • Sealer can be applied to a damp surfaceFree of visible or pooled water, broom off or use a blower to removeSurface needs to be touch dry

Always add water to the concentrated sealer!
Click here to view the steps

  • Working from the furthest point, begin spraying the sealer while walking backwards
  • Sealer should be sprayed in an even flood coat at a rate of approximately 5m2 per litre – depending on porosity
  • Sealer should remain wet on the surface for at least 5 minutes
  • Only one flood coat is required, however if the surface is very porous, additional sealer can be applied
  • Avoid over spraying sealer on surrounding surfaces.
  • A microfiber mop or similar is required to spread the sealer after the initial light spray
  • A second application may be required if the surface still accepts sealer
  • The surface should be buffed or wiped dry with the mop after each application.
  • A microfiber mop or similar is required to spread the sealer after the initial light spray
  • A second application may be required if the surface still accepts sealer
  • The surface should be buffed or wiped dry with the mop after each application.
  • Don’t apply if pools of water present
  • Don’t apply to hot surfaces (>30 degC), mist with water to cool
  • Don’t allow sealer to pool, remove excess
  • Avoid contacting surfaces not meant to being sealed
  • Don’t apply if rain expected in at least 24 hours
  • Cleaning of sealed surfaces recommended every 12 months with NPH CleanerHarsh chemicals: acids, alkalines, solvents will effect sealer longevity
  • Minimal pressure requiredContaminants/dirt will be close to surface
  • Time to reapply? – NO STRIPPING REQUIRED

Where to buy SiF Sealers

We have Resellers across Australia and in New Zealand. Check out your nearest Reseller here!

How to Choose

Not sure which SiF Product is right for you? Check out our handy diagram or get in touch

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Total price: $80.00