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DashAgg Pro

The DashAgg Pro External Wall Insulation (EWI) system from Alumasc Facades by K Rend comprises non-combustible mineral wool insulation, MR S7 polymer-modified dash receiver and the durable DashAgg stone dash finish. DashAgg Pro is ideally suited to the refurbishment of high-rise properties (i.e. greater than 18 m in height) but can also be used on low-rise residences. DashAgg Pro is a low maintenance EWI system due to the robust, hard-wearing DashAgg stone dash finish.

This BBA-approved system comprises the following components:

  • DashAgg stone dash
  • Alumasc Facades by K Rend Dashing Render (MR S7)
  • MR Scrim Adhesive
  • Alumasc Facades by K Rend Scrim Reinforcement
  • Alumasc Facades by K Rend insulation fixing
  • Alumasc Facades by K Rend Pro mineral wool insulation
  • Alumasc Facades by K Rend Bedding Adhesive
  • Substrate

Key Features

The DashAgg Pro system is typically used to refurbish existing masonry facades. The non-combustible Alumasc Facades by K Rend Pro mineral wool insulation slab is used in conjunction with the polymer-modified Alumasc Facades by K Rend Dashing Render (MR S7) – available in a range of colours. MR S7 was developed by Alumasc Facades by K Rend specifically for application onto insulation and has a proven track record stretching back over 20 years. A range of stone dash colours are available to provide the building with a clean and modern appearance.

Key Performance Criteria:

  • Fire performance: Class 0 spread of flame and full-scale fire test to BR135
  • Thermal performance: Typical U Values are:
    • 100 mm Pro insulation ~ 0.30 W/m2K
    • 120 mm Pro insulation ~ 0.26 W/m2K
    • 170 mm Pro insulation ~ 0.19 W/m2K
  • Acoustic performance: Weighted sound reduction index of c. 5 – 8 dB


  • BBA Certificate 93/2914 PS4


  • The standard range of base and accent stone colours is:
    • White base with choice of Polar White, Black & White or Red & White accent
    • Cream base with choice of Champagne, Derbyshire Spar or Ashton Cream accent
  • Other colours available upon request
  • Alumasc Facades by K Rend Dashing Renders are also supplied in a range of colours, including white, cream, and grey.


  • Masonry substrates
  • New build or refurbishment projects
  • Low- and high-rise properties in accordance with Alumasc’s High Rise Policy.

Contact us

Request a visit, book a seminar online, ask our technical team, request a quote or contact customer service.


System approvals

BBA Approved – Certificate 93/2914 PS4
NHBC Accepted

Performance testing

MOAT No. 22: 1998 The Assessment of EWI Systems for Walls

Fire performance

Class 0 spread of flame
Approved for use in constructions with height greater than 18 m (i.e. high-rise buildings) in compliance with BR135


> 30 years

Impact resistance

Adequate resistance to impact and abrasion to BS 8200: 1995

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