40 x K Rend Silicone K1 – 25kg

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  • Water repellent
  • Cement-based
  • Through-coloured
  • Self-cleaning
  • Suitable for application by spray machine

This product is sold in pallets of 40 bags. 

K Rend Silicone K1

K Rend Silicone K1 is a hydrophobic, polymer-modified, through-coloured render. Silicone K1 achieves a long-lasting decorative finish on a range of substrates, offering time-saving benefits to users due to the fact that it can be applied by spray machine. Available in a vast array of colours, Silicone K1 ensures a freshly rendered appearance for a prolonged period of time due to its hydrophobic properties which create a self-cleaning effect.


K Rend Silicone K1 comes as a dry mix in 25kg so needs to be mixed with clean, cold water (4-5 litres) prior to use. We suggest filling a large bucket with the correct quantities of water prior to adding the dry basecoat mixture. Once the render has been added to the water, it needs to be mixed using a paddle mix for 10 minutes until an even consistency mortar is produced.


K Rend Silicone K1 is designed for use with most spray machines. The product should be applied in two passes.

First pass: spray Silicone K1 directly onto the prepared wall surface to a thickness of 4-8mm. Level the product out immediately using a smoothing trowel or long float. Allow the first pass to stiffen before moving onto the second pass. Bear in mind that the time between passes may vary depending upon the weather conditions.

Second pass: the second pass should be sprayed on to achieve a total thickness of 12-14mm.

A textured finish can be achieved by using a render scratching float in tight circular motions. This can take place once the render has set but not fully hardened (i.e. when a thumb impression cannot be made on the surface of the render and when the render is no longer sticky). All areas should be scraped at the same stage of curing, as different stages can result in varied colour shades.

Application Conditions:

  • Application temperature (air, substrate, materials): from +5°C to 25°C
  • Time of usability after mixing with water: approx. 1 hour (temp. +20°C)
  • Water mix proportions: approx. 5-6 litres of water per 25 kg of dry mix
  • Quantity to be used: 1.6kg/mm/m2
  • Required: 26-32kg per m2 when applied at 16-20mm thick

Storage Conditions

Comes in powder form in a 25kg paper bag.

Store in a cool, dry place. Avoid ingress of water. Shelf life: up to 12 months from the date of manufacture.



Polar White, Cream, Grey, White


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