Masonry – Silicone Render

The flexible crack resistant formulation and ultra-violet resistant pigments of WBS Silicone & Acrylic finishes allow for large areas to be seamlessly rendered with perfect colour consistency.

The unrivalled versatility of WBS Silicone & Acrylic Finishes allows the products to be specified with confidence to transform virtually any substrate, giving dull and tired looking structures a new lease of life. The vast choice of colours and textures offered within the WBS range means architects are now able to widen their scope and unleash their creative flair when designing prestigious buildings that require a more modern rendered finish.

In addition to being an excellent finishing coat for external wall insulation systems, WBS Silicone & Acrylic Finishes are suitable for application as a render only system.

System properties:

  • Anti-crack capabilities.
  • Exceptional weatherproofing and self-cleansing properties.
  • UV stable.
  • Vapour permeable allowing the release of excess condensation.
  • High levels of impact resistance.
  • Can be applied to a wide variety of substrates.
  • Excellent adhesion and ease of application.
  • 50 year track record throughout Europe.
  • Pre-mixed formulation - eliminates the need for on-site mixing.
  • BBA certification onto insulation.
  • ETA certification onto insulation (European Technical Approval).

General information


NCS/RAL Colours


Silicone Render


10 year guarantee

Uniclass 2015

Ss_25_45_70_55 Multicoat render systemsPrimary


M20/160 Proprietary cement gauged render

M20/19 Proprietary render

M21/20 External wall insulation system

M21/210 External wall insulation system

Specification data - Multicoat render systems

Product Reference

WBS Acrylic Finish

WBS Silicone Finish


WBS Alkali Resistant Scrim Cloth incorporated into bedding adhesive

WBS Heavy Duty Alkali Resistant Armour Mesh incorporated into bedding adhesive


WBS HPX Adhesive

WBS K&A Adhesive

WBS Premium Scrim Adhesive


To suit top coat




'K' range, 1.0 mm

'K' range, 1.5 mm

'K' range, 2.0 mm

'K' range, 3.0 mm

'R' range, 1.5 mm

'R' range, 2.0 mm


Insert requirement.


WBS Aluminium beads, trims and profiles

WBS Plastic beads, trims and profiles

WBS Polyester powder coated galvanized steel beads, trims and profiles

WBS Stainless steel beads, trims and profiles

WBS Low Modulus Silicone Sealant

Product Options


  • WBS flexible silicone and acrylic thincoat finishes are supplied pre-mixed and are available in 100 standard colours. Special colours and colour-matching to other manufacturer's palettes may be available on request.
  • WBS silicone and acrylic finishes are available in four standard grain sizes in the 'K' range and two grain sizes in the 'R' range. Other grain sizes can be acquired on request.


  • WBS use the NCS-Natural Colour System®© when referencing colours but also have the ability to match to RAL, BS and other manufacturers palettes. Details of the colours available can be found here:
  • Please consult with WBS Technical Support before specifying any dark colours with a lightness value of less than 20.

Digital objects
PlatformCompatibleVersionCertified to
- 1 1.3
Revit 2016 1 1.3
Download now from NBS National BIM Library
Third party certifications
  • European Technical Approval (ETA).: DIBT Certificate: 05/0045 EPS
  • European Technical Approval (ETA).: DIBT Certificate: 05/0216 MW
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