Silane/siloxane based hydrophobic primer
  • Deep penetration into substrate.
  • Very good reduction of water and chloride intrusion.
  • Breathable, allows for water vapour release.

Repcoat Primer is a penetrating hydrophobic silane/siloxane based primer. It is used as a primer for Repcoat acrylic based protective coating. When applied, it reacts with concrete and masonry surfaces producing a clear hydrophobic barrier that prevents the passage of
water and hence protects exposed reinforced concrete structures from attack by chloride ions.


Repcoat Primer is available in 5, 20 and 200 litre drums.


0.1 - 0.2 litre/m², depending on the substrates porosity.


Repcoat Primer should be stored under cover at an ambient temperature range of 10°C and 25°C.

Shelf Life

Repcoat Primer has a shelf life of 12 months from date of manufacture if stored in proper conditions and sealed drums.

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