Mapei Primer G 1
Mapei Primer G 1

Mapei Primer G


Technical Characteristics:

  • Primer G is a water dispersion of special synthetic resins which, once applied to any surface, dry to form a flexible, compact, shiny coating which consolidates the surface, where needed.
  • Primer G also improves the adhesion of smoothing compounds, paint, adhesive for wall paper, adhesive for tiles and mortar for renders.
  • The film of Primer G on the surface of gypsum or cement, prevents any chemical reaction between sulphates and the cement aluminates of the tile adhesives which, in the presence of moisture, leads to the formation of the salt “ettringite’’ which is the cause of tiles breaking away from gypsum substrates.
  • Primer G makes wallpaper stripping far easier and decreases the amount of glue used for paper hanging.
  • When used before applying sprayable plasters, Primer G prevents over-rapid absorption of water by the substrate, prolongs finishing time and helps prevent shrinkage cracks.

Product Description

Synthetic resin based primer in water dispersion.

Where to use:

  • For treating gypsum surfaces prior to fixing ceramic tiles.
  • As an anchoring coat for gypsum-based sprayable plasters.
  • To improve the bonding of smoothing compounds on cement, gypsum, asphalt, ceramic and marble surfaces cement based and calcium sulphate-based screeds and asphalt.
  • To provide uniform absorption in cementitious or gypsum surfaces


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