by design

Action on embodied carbon

Download our embodied carbon report

Our move to Unilin, already a leading brand in the European construction market, is one that will reinforce our position within the industry and enhance our offering to our customers.

This exciting evolution of Xtratherm to Unilin Insulation is a change which signifies a positive future, both for ourselves and for our customer base.

I am a …

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From product videos to packing lists, you’ll find everything you need to know about our product portfolio

Building Professional

Use this technical resource section to select the correct insulation for your flat roof application

Self Builder

Advice and ideas for how best to insulate your self build project

Educator / Student

Resources to support your learning and education in fabric efficiency, regulations and sustainability


Specify insulation with confidence using our detailed library of technical advice and case studies


As a leading thermal insulation manufacturer, with factories in Ireland and the UK, UNILIN Insulation offers the construction industry a range of innovative complete solutions, encompassing roofs, walls, floors and modern methods of construction. By combining these innovative products, you can meet your requirements, as well as reaching passive standards.

Superior Technical Expertise

Technical Team

Our technical team provides unrivalled support with expertise built through over 30 years of engagement with the construction industry.

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Discovery Hub

Discover a better way of learning with Discovery Hub. Whether you’re an industry professional or a student in the early…

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Unilin Insulation office block

Explore how Unilin Insulation products have helped meet project goals for selfbuild, commercial and large scale residential projects.

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Have a look at our brochures, technical files and other documents