Plaster Primer

//Plaster Primer

Plaster Primer

Samson Plaster Primer is an excellent quality versatile acrylic primer with high stain coverage and alkali resistance. Plaster Primer is an extremely durable water based primer for interior and exterior cement and masonry, an excellent solution for all wall surfaces.

Colours: White
Package: 5L and 20L


Product Uses

  • Essential alkali resistant primer for all walls including cement, concrete, plaster, and bricks.
  • For new or previously painted interior and exterior use.
  • To seal porous cement surfaces.
  • A resistant barrier against efflorescence.
  • NOTE: Where Gypson or plaster rhinolite is used, it is recommended to use SAMSON SB29 as a key coat to seal such boards prior to using the SAMSON PLATER PRIMER


  • Water-based and non-toxic.
  • Alkali resistance.
  • Washable
  • Durable
  • Primes a multitude of substrates.
  • Resists peeling and efflorescence.
  • Excellent obliteration.
  • Quick drying time.
  • Low odour.
  • Allows the surface to breathe and expel moisture.
  • Easy application with brush, roller or spray.
  • Low splatter.
  • Lead and heavy metal free.
  • Compatible with most decorative topcoats excluding solvent based top coats.


  • 6- 8m² per litre per coat.
  • This is a guide only and depends on substrate porosity and profile as well as technique and tools used.

Technical Data

  • Pack size 5L and 20L buckets
  • Touch dry 2 hours
  • Hard dry 4 hours
  • Second coating time 6 hours
  • Volume solids ±30 %
  • Viscosity 85 – 95 Ku (approx.)
  • Application temperature 20°C to 40°C
  • Density 1.40g/cm³
  • Toxicity Non Toxic
  • Fire hazard None
  • Shelf life 6-12 months (dependent on storage conditions)
  • Storage Cool, dry area below 25°C

Properties listed above are for guidance only and not a guarantee on performance.

Plaster Primer