SIRCA LUNA Exterior Wall Primer is suitable for use as a primer for masonry topcoats like distemper, emulsions, lustre and matt wall finishes. It helps in providing a suitable surface for application of subsequent coats of putty and finish paint.



Available Packs

1 Ltr.4 Ltr.10 Ltr.20 Ltr.

Directions for use


The masonry surface to work on should be treated and well cured before applying SIRCA LUNA (WallPrimer). Better to allow a gap of 28 day before starting the process.

Filling for cracks

3mm SIRCA Paints Crack Seal could be used for the fillers.


Surface should be free from any loose paint, dust or grease. Growths of fungus, algae or moss should be removed by wire brushing and water. In case of areas having excessive dampness use SIRCA Paints Damp Block to limit further dampness. Even after cleaning if the surface shows chalkiness, use SIRCA Paints Primer to get an even surface.

Filling for holes & dents

In case of dents and holes use SIRCA Paints Acrylic Wall Putty or white cement and fine sand in the ratio 1:3.


  • Do not apply when ambient temperature is less than 10°C or if the temperature might drop to this level within 4 hrs of application.
  • Do not over-thin or over-extend the brush.
  • Stir well and strain before use.

Painting Care

  • Apply an emulsion coat over Exterior Wall Primer.

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