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ProRend Colour is a cement-based, self-coloured, ready-mixed render. Specifically designed to incorporate the benefits of silicone water repellents into a cement-based render system. It prevents water from penetrating the masonry, while moisture accumulating inside is able to escape without problems. The silicone also prevents the migration of soluble salts through the cured render, thus combating secondary efflorescence. It is suited for areas where high water repellency is required. It leaves a scraped-through coloured finish.

The product can be applied from 15–25 mm and be cut to achieve Ashlar detailing. Easy to apply and highly suitable for application by machine or by hand. High adhesion on mineral backgrounds.


High-quality, factory-composed dry mortar according to DIN 18557 and DIN 18550. Sand according to DIN 4226. Binding agent according to DIN 1060 and 1164, and approved additives for better workability.


  • Can be applied as one-coat render on medium-density blockwork with normal suction.
  • For aerated concrete and low-density blocks, apply onto a backing of ProRend Prep or Lime Cement Primer.
  • For high-density masonry and concrete, apply onto a backing of ProRend Prep.

Related literature

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Standard product features

Technical characteristics:

  • Grain size: ~2 mm.
  • Bulk density: ~1.4 kg/m³.
  • Set mortar density: ~1.3 kg/m³.
  • Compressive strength: ~3.5 N/mm².
  • Bending resistance: ~1.5 N/mm².
  • E-module: ~2700 N/mm².
  • Reaction to fire rating: Class A1.
  • Water absorption: W2.
  • Water vapour permeability μ: 5/20.
  • Water vapour diffusion coefficient: 15/35.
  • Thermal conductivity λ: 0.82 W/mK (P=50%). 0.89 W/m·K (P=90%).
  • Application temperature: 5–30°C.

- Thickness:

  • On backing coat: ~12 mm (10 mm after scraping).
  • One-coat render: ~17 mm (15 mm after scraping).

NBS Specification

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This product is associated with the following NBS Create clause:
45-55-60/330 Cementitious render

NBS Specification

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This product is associated with the following NBS clauses:

Product specification

An important note about specifying



SAS Europe Ltd


+44 (0)1647 24620

Product reference

ProRend Colour

Colour/ Finish

[ ______ ]

Manufacturer details

Cheriton Bishop,
Devon, EX6 6JE
Tel +44 (0)1647 24620
Fax +44 (0)1647 24020
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