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External Wall Insulation / Render Solutions for Existing Buildings

Leading the way upgrading the UK’s solid wall and non-traditional properties - PermaRock EWI systems provide the ideal solution to reduce energy consumption in buildings whilst protecting the building fabric and extending its useful lifetime. 

PermaRock is the longest established UK owned independent manufacturer and supplier of external wall insulation (EWI) systems, with over 30 years’ experience supplying external wall insulation systems to the energy efficiency and construction sectors in the United Kingdom.

Our external wall insulation systems have been specifically developed to suit the requirements of the UK market in terms of technical performance, application techniques and to meet current Building Regulations (including high-rise buildings). They are certificated through the Building Research Establishment (BRE) and fully compliant to the Green Deal Code of Practice and PAS 2030:2017 for use under the Energy Company Obligation (ECO) and other UK energy efficiency initiatives.

Find out more below on how our systems can help improve your existing housing stock. 

Why PermaRock External Wall Insulation?

PermaRock systems have been designed for use on high and low rise buildings, for traditional and non-traditional forms of construction, including, solid wall or cavity wall, dense and no-fines concrete, brick, stone and metal,...
Why PermaRock External Wall Insulation?

Design, Technical & On-Site Support

One of the most valuable benefits to specifying a PermaRock system is the knowledge that there is an extensive level of support provided alongside our products. With over 30 years’ experience in the...
Design, Technical & On-Site Support

Solid Wall & ‘Hard to Treat’ Properties

PermaRock systems are designed to provide thermal and aesthetic improvements to all forms of construction types but are especially suited for application onto ‘Hard To Treat’ properties, such as Solid Wall...
Solid Wall & ‘Hard to Treat’ Properties

External Wall Insulation for High-Rise Buildings

High-rise buildings present a number of interesting technical challenges for the external wall insulation system designer. In addition to experiencing greater structural movement and higher wind suction forces than low-rise...
External Wall Insulation for High-Rise Buildings

Low-Carbon Retrofits / Non-Domestic Buildings

PermaRock external wall insulation is increasingly being used to improve the energy performance and aesthetics of public and commercial buildings and provides an opportunity to add high levels of insulation to the exterior...
Low-Carbon Retrofits / Non-Domestic Buildings

External Wall Insulation / Render Systems

PermaRock offers a range of high quality solutions that enable existing buildings to be refurbished or remodelled to improve both the thermal performance and to enhance the visual appearance of a building.
External Wall Insulation / Render Systems

Decorative Renders, Finishes & Effects

PermaRock offer a wide range of decorative renders, finishes and effects that provide clients and specifiers with the means of creating interesting, aesthetically pleasing, functional and durable façades.
Decorative Renders, Finishes & Effects

Colour & Sample Selector

Use our innovative and easy-to-use colour and sample selector to view, choose and finalise your colour selections. You can view our entire range of decorative renders and finishes and ordering samples couldn't be easier.
Colour & Sample Selector
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