Alkali Resistant Plaster Primer

Prep PP950-trade_PS-newProduct Code: PP 950

Product Description:
An alkali resistant primer for masonry surfaces

Finish: Low Sheen


  • As a barrier coat on alkaline substrates such as interior and exterior cement plaster and concrete to protect subsequent coats against alkali burn
  • As a binding and sealing coat on soft and friable cement plaster, porous paper-face board, brickwork, soft board and gypsum plaster


  • Protects topcoats from alkali burn and efflorescence
  • Can be used with solvent-based and water-based top coats
  • Provides good adhesion


Spreading Rate:
Theoretical Spreading Rate: 7.5 m²/ℓ (Typical)
Practical Spreading Rate: The practical spreading rate will vary depending on the porosity and profile of the substrate, as well as the application technique and tools used

Colours: White

Touch Dry at 23°C: 4h

Recoating Time: 16h

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Technical Data Sheet

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Material Safety Data Sheet