Silicone Silicate Render (EWI-040) – 25kg


4.64 out of 5 based on 11 customer ratings
(11 customer reviews)
  • Polymer modified
  • Breathable
  • Flexible
  • Hydrophobic 
  • Self-cleaning
  • Available in hundreds of different colours

Disclaimer: Render colours may appear different on-screen compared to real life, we therefore always recommend that you order a colour sample before making a final decision.

EWI-040 Silicone Silicate Render

The EWI Pro Silicone Silicate Render is our most popular through-coloured, polymer-modified, topcoat render. This coloured render is breathable, flexible, hydrophobic and self-cleaning. Our Silicone Silicate Render is often used in the final stage of EWI Pro external wall insulation systems, or as a standalone topcoat render, provided the basecoat reinforcement layer is used as well. Silicone Silicate Render is available in hundreds of different colours.

Silicone Silicate Render is a decorative, thin-coat render and is available in either 1.0mm, 1.5mm, 2.0mm and 3.0mm grain sizes. It is suitable for interior or exterior surfaces but works best when applied on top of a reinforcement layer as part of our thin-coat render or insulation systems.

The Silicone Silicate Render not only provides an aesthetically pleasing finish, but it also acts as a strong protective coating for the property, helping protect the underlying brickwork against weathering. Silicone Silicate Render is also breathable, so is perfect when used in conjunction with Mineral Wool EWI systems.

  • Water-repelling
  • Frost-proof
  • High elasticity
  • High vapour permeability
  • Resistant to UV rays
  • Available in 4 different grain sizes


As mentioned, the Silicone Silicate Render is a ready-mix render, so it can be used straight out of the bucket and does not require mixing with water. However, we do recommend giving the render a mix prior to use to ensure an even distribution of the colour pigments. Before application, always check that the colour of the render matches your order prior to application.

Apply the render to the substrate using a trowel and then use a plastic float to generate the required texture. Remember that this is a thin coat render system, so the thickness of the render layer should match the grain size of the render chosen.

Application Conditions

  • Intended for application onto an EWI Pro specified basecoat
  • Substrate primers: EWI-301 Water Based Primer
  • Basecoat primers: EWI-333 SiSi Render Primer
  • Application and setting temperature (air, substrate, materials): from +5°C to +25°C.
  • Grain size distribution: 1mm, 1.5mm, 2mm and 3 mm.
  • Caution! In the case of external wall insulation systems, when rendering facades with a large area, it is recommended that colours with a brightness coefficient (dispersed reflection) of at least 25% should be used. These coefficients are shown in the colour pallet of EWI Pro Insulation Systems renders and paints.

Coverage Rates 

  • 1.0mm – 1.9kg/m2 therefore a bucket should cover 12 – 13 m2
  • 1.5mm – 2.4kg/m2 therefore a bucket should cover 9 – 10 m2
  • 2.0mm – 3.4kg/m2 therefore a bucket should cover 7 – 8 m2
  • 3.0mm – 5.0kg/m2 therefore a bucket should cover 5 – 6 m2

Storage Conditions 

Comes ready-to-use in a 25kg plastic tub.

Store in a cool, dry place. Shelf life: up to 12 months from the date of manufacture. Please note: In order to tint the product we break the seal. We therefore do not accept returns on tinted items. Store in a cool, dry place away from direct sunlight and mix regularly. Colours from different batches may vary, to avoid inconsistencies mix tubs together prior to application.


Weight 25 kg
Grain Size:



Acorn, Bone, Clay, Cloud, Concrete, Diamond, Fog, Frost, Haze, Lead, Mirror, Paraffin, Prosecco, Sage Green, Storm, Truffle, Almond, Antique White, Ash, Copenhagen, Eggshell, Elderflower, Ice, Ivory, Linen, Magnolia, Mist, Opal, Orchid, Platinum, Porcelain, Pure White, Sandstone, Silk, Silver, Smoke

11 reviews for Silicone Silicate Render (EWI-040) – 25kg

4.64 out of 5
Write a review

  1. John

    Silicone Silicate render is far superior to acrylic and mineral render. Been using it for over 1 year now and goes on in one go unlike mineral and is far better at standing up to bad weather. 1mm texture seems to be customers choice. Delivered on time. Will buy again. 

  2. Ben

    We have used loads of different insulated render systems and this based on value is right up there with the best of them. We received our COLOURED render the next day! Normally we are waiting for 4-5  days for coloured render delivery. Def order again and recommend to others.

  3. Chris

    Easy to use coloured render. Delivery from EWISTORE was next day. Would recommend to anyone looking to buy render.

    • ocieplenia (verified owner)

      Thanks Chris, glad you were happy with it! 

  4. Mr Abercorn

    I had a renovation on one of my rural properties late last year. Having gone through the expensive process of hiring a top architectural company off Berkley Square, they had missed the fact that I could install this product on top of insulation. My builder Mat Szkola who is very reasonable on price suggested I look at EWI Pro Insulation with this textured render. Having Mat with me and talking to EWI Store team, they to my shock confirmed I had wasted good money on bad advice and in the end I am so pleased I didnt go for cavity wall retrofit. 

    The render with insulation has been installed and I am pleased with it. Now to wait for another winter to see how it impacts my bills.

    • ocieplenia (verified owner)

      No problem – I am glad we could help. It  is very interesting that many architectural firms aren’t clued up on solid wall insulation as it is a fantastic solution offering incredible energy savings and producing an attractive, clean finish to properties. 

  5. Jack

    If you are looking to buy render, but it from EWIStore. The render is high quality and perhaps more importantly we can get colour render delivered next day (the EWIpro render). Would strongly recommend!

  6. Roy Jones

    Thanks for the fantastic deal on two tubs of render. Average consumption for me was about 9 per metre in square. Have a few left over which i want to do on immediate job.

  7. Ian H

    Had used K-Rend previously but tried this on a recommendation. It goes on very easily and looks great once the plastic float has gone on it. Far better value render than k-rend so will definitely use going forward.

  8. Kaleta

    Top gear this.

  9. Pawel

    Good trade discount on product. Goes on well and doesnt drag when floating it.

  10. Plaster master

    The final finish looks good but i managed to only get 8m2 per bucket so had to order 2 extra buckets to finish the job

  11. Lesley Rawson

    Can you use it with a brush on a little outside well it is breeze block if any one can help

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