Soltherm Premium Silicone EWI System

Soltherm Premium Silicone EWI system is a BBA approved external wall insulation system incorporating Grey Expanded Polystyrene (Grey EPS) insulation with a silicone render finish, designed to increase a building's thermal efficiency & weather resistance.

Soltherm Premium Silicone EWI system has an effective life in excess of 30 years and is suitable for use on both new build & refurbishment projects, but is restricted for use below 18m (England & Wales) or 11m (Scotland) in accordance with National Building Regulations.


Key Features:

  • Low cost, economical solution
  • Lightweight insulation material
  • Good workability easy to cut and handle
  • Mechanically & adhesively fixed
  • Low water absorption
  • High vapour permeability
  • BBA Certified
  • ETA Approved
  • NSAI Certified
  • NHBC Approved

Key Benefits:

  • Improved weatherproofing, extending building life
  • Eliminates risk of interstitial condensation
  • Aids in preventing mould and fungal growths
  • Improved energy consumption, reduced fuel bills & CO2 emissions
  • Increased level of comfort, micro-climate & social environment
  • Increased property values
  • Improved aesthetics
  • No reduction to internal footprint & minimized disruption to occupants
  • Thermally upgrade ‘hard to treat properties’

Specification Details

Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Soltherm External Insulations Ltd is consulted before specifying.

Soltherm External Insulations Ltd
Sherwood Drive, Bletchley
Milton Keynes
United Kingdom
MK3 6DP
P: 01908 533 444

Soltherm Premium Silicone EWI System

Variation 1
• Features: Adhesively Fixed, Easy to Cut, Economical, Good Workability, High Vapour Permeability, Lightweight, Low Cost, Low Water Absorption, Mechanically Fixed
• Impact Resistance (Code): Category I
• Thermal Conductivity: 0.032 W/mK
• Typical Use: EWI, External Cladding, External Wall Insulation, Facades, Low Rise, Medium Rise, New Build, Refurbishment, Render
• Certifications: BBA, ETA, NSAI
• Standards: ETAG004, ISO 14001, ISO 9001
• Finish(es): Silicone Render, Textured
• Material: EPS, Expanded Polystyrene

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