PROREND External Insulation Finishing Systems (EIFS)
ProRend External Insulation Finishing System, EIFS for short, is a complete render solution for new build and renovation properties both residential and commercial.
These pages detail many of the benefits of the system as well as explaining the types of insulation which are available along with the 2 primary construction methods: adhesive and rail.
Also, this section of the website is written to be read in conjunction with the ProRend section of the website which explains in detail the ProRend Lite basecoat and ProRend Colourtex finishes: the final decorative finish of this system.
ProRend EIFS Adhesive Overview

- ProRend Lite Basecoat
- ProRend EIFS Platinum EPS
- ProRend Lite Basecoat
- ProMesh Grade 3
- ProRend Lite Basecoat
- ProRend Colourtex Primer
- ProRend Colourtex
ProRend EIFS Overview
ProRend EIFS primary requirement is to comply with Building Regulations Part L, Conservation of Fuel and Power, simply put - to achieve the current thermal conductivity requirements for walls. It also achieves many other construction objectives such as providing an attractive façade for a property and protecting against the elements.
The insulation may be fixed to the wall by:
- ProRend Lite adhesive with secondary mechanical fixings
- Rails, which mechanically hold the edges of the insulation
Features & Benefits
- Building Regulation compliant:
- Part B Fire Safety
- Part L Conservation of Fuel and Power
- Watertight façade
- Breathable render system
- Cavity (Rail system)
- Residential and Commercial properties
- New Build and Renovation
- Low maintenance systems
Ideal Substrates
- Concrete
- Masonry
- Timber frame
- Steel frame
- Existing render
Adhesive vs Rail
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Adhesive |
Rail |
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|
Insulation dimensions |
1000 x 500mm |
500 x 500mm |
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Mineral Wool Insulation |
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Expanded Polystyrene Insulation |
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|
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Fire barrier |
Mineral Wool Lamella - only where primary insulant is EPS |
Mineral Wool Rail Slab with Stainless Steel rails and intumescent strip |
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Cavity |
|
|
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Fixing method |
ProRend Lite adhesive with secondary mechanical fixings |
PVCu rails fixed at each edge of the insulation panel |
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Uneven substrates |
Requires dubbing out of installed insulation |
Ideal |
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Curved walls |
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Once the insulation is installed application, of the ProRend decorative render system (stages 3 - 7 above) is the same for both Adhesive and Rail systems
Adhesive System
Adhesive systems use bonding mortars and secondary mechanical fixings. This is the typical EWI type system and is best suited to sound masonry backgrounds.
Rail System
Rail systems are suited to backgrounds that cannot receive renders directly (such as timber frame) or where the substrate is very uneven, such as in refurbishment schemes.
Insulation
ProRend EIFS can be installed using either expanded polystyrene (EPS), or mineral wool insulations.
Render Application
Following application of the insulation components of ProRend EIFS the decorative render system is applied:
Related Developments
-
The Hub
The Hub comprises 67 new one and two bedroom apartments in the heart of Exeter.
» read more -
Droylesden Marina
The initial phases of the Droylsden Marina scheme were redevelpoment of run-down housing stock comprising housing and flats.
» read more -
Royal Holloway College
ProRend EIFS was a natural choice for this contemporary addition to a reknowned British institution; The University of London.
» read more





