Siloxane Primer

Brand: RA&Sons

SILOXANE PRIMER is a coloured primer aimed at pre-treating interior and exterior walls prior to the application of a siloxane based render or paint. Due to its breathable nature it can be applied over lime plasters and renders and “Facia Vista” masonry amongst other substrates. It is available in over 300 colours and in 5Kg and 20Kg tubs.


Surface Preparation

All surfaces should be sound, dust free and clear of any surface contaminants like oil, grease or salt efflorescence.



SILOXANE PRIMER must be diluted with 10% water and applied by either brush or roller until the surface is saturated. During application protect windows, doors and all ceramic and metal parts. Clean all tools with water before the product dries.




  • At temperatures below +5°C or above +35°C
  • On wet or very cold surfaces
  • When rain is forecast, at humidity levels over 80% or during strong winds



Siloxane Based Primer

Packaging & Storage

SILOXANE PRIMER is supplied in 5Kg and 20Kg buckets and can be stored up to 6 months in its original unopened packaging

Safety Notice

Before using SILOXANE PRIMER it is recommended to consult the product safety data sheet available on request

Technical Data

1.53 [Kg/L]
White / Colour Chart
Water Based
Coverage (Theoretical)
150-200 [ml/m²]
Minimum Reticulation Temperature
Volume Solid Content
55% Approx
VOC According to dir 2004/42/CE Primer [cat, A/g] max 40g/l (ref.2010)
The data and statements in this information sheet refer to laboratory tests in our possession, conducted in standard environmental conditions. Practical applications on site according to these conditions of use may result in different data readings. Due to the wide variety of possible uses and applications, the end-users should independently determine the suitability of the material for their specific purpose prior to use. R.A. & SONS Manufacturing Ltd. reserves the right to make technical modifications of any kind without prior notice.

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