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A synthetic resin based primer in water dispersion with very low emission of volatile organic compounds (VOC).


  • Treating gypsum or anhydrite surfaces prior to applying cementitious products.
  • Treating cementitious surfaces prior to laying gypsum based plasters.
  • Primer G should be diluted with water from 1:1 and 1:3 to protect old porous floors before levelling, to fix the residual dust and to uniform the substrates absorbance prior to levelling or bonding.

Surfaces to be treated must be clean, dry and free from oil, grease, traces of paint and other loose material.

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NBS Specification

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This product is associated with the following NBS Create clause:
45-35-64/375 Universal primers

Product specification

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Mapei (UK) Ltd


+44 (0)121 508 6970

Product reference

Primer G

Manufacturer details

Mapei House,
Steel Park Road,
West Midlands, B62 8HD
Tel +44 (0)121 508 6970
Fax +44 (0)121 508 6960
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