Our systems have an outstanding record across new build and refurbishment projects, enhancing the thermal performance of UK housing, commercial premises, and public buildings. They meet the most exacting specifications and suit all building types, including high-rise structures.
External Wall Insulation
& Render Systems
Permarock Products supplies high performance external wall insulation and render systems for new and existing buildings.
Start your journey with Permarock
Experts in
External Wall Insulation
& Render Systems
As the UK’s leading designer, manufacturer and supplier of EWI and insulated render systems, we bring over 40 years of experience to every project. We have earned an enviable reputation for supporting successful projects by delivering excellent products and outstanding technical expertise.
Long-established client relationships are a testament to the value of our experience and customer support, and to the proven reliability of our product portfolio.
Our products are rigorously tested, fully certified and frequently specified for some of the most technically demanding projects in the country. They help to deliver energy-efficient, aesthetically pleasing solutions for clients, designers, and end-users alike.
How can we help you?
Select your role below and we’ll guide you to the most relevant solutions and information for your needs.
Specifier
Whether you’re a retrofit designer, architect, social housing provider, or a main contractor – we’ll help you find the perfect solutions for your projects.
Installer
If you’re an existing installer, or you aren’t a registered Permarock installer, talk to us and we’ll help you grow your business and give you access to product data and technical resources.
Homeowner
Discover how our insulated render solutions can improve your home’s energy efficiency and enhance your living conditions.
Get everything you need from Permarock’s Technical Hub
We offer a wide range of insulation systems, renders and finishes, together with unrivalled design and technical support. Our expertise adds considerable value to clients’ projects, ensuring that the specified systems are of the highest standards and tailored to deliver maximum impact and value.
Importantly, our expertise and resources are always just a click away. Visit our Technical Support section to ask a question, to find out more about our systems or to download useful data. Our Technical Hub contains everything from datasheets to BIM objects, detail drawings, specifications and a sample picker. It’s all designed to make your job easier whenever you’re working with our insulation and render systems.
Permarock are partners with NBS, which means you can find our products on NBS Source.
NBS Source is a free platform for finding, selecting, and specifying construction products. Enhanced data, case studies, certificates for informed decisions.

