Full Fill Built-in Insulation System Continuous wall insulation system that delivers ultimate thermal performance with the added assurance of protection from wind driven rain.

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The Xi products have been developed to deliver the U-value requirements to meet Passive standards. It’s no longer just about U-values: how the system builds, how it interconnects at junctions and how it is witnessed and confirmed on site, are all equally important facets.

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Xtratherm offer an extensive range of technically enhanced rigid insulation products for commercial and industrial projects

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Tapered Roofing System
The XtraFall system provides a high performance precision solution to thermal insulation and water drainage on at roofs.

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The Xtratherm range of high performance insulation boards provides the ideal technically advanced solution for flat roof projects.

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PLATINUM SERVICE for Developers

PLATINUM SERVICE for Developers

Developers and their design and certifcation team can rely on the expertise and professional support of the whole Xtratherm Team - it is not just about buying insulation products.

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PLATINUM SERVICE for Self Builders

PLATINUM SERVICE for Self Builders

Our Platinum Service offers full technical support and advice, helping you to achieve a cost effective, passive standard new home.

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Full Fill Built-in Insulation System

Continuous wall insulation system that delivers ultimate thermal performance with the added assurance of protection from wind driven rain.

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High Performance rigid extruded polystryrene

Xtratherm offers a cost effective solution for builders and specifiers for the closing of cavities around window and door openings, preventing cold bridging, damp penetration, air infiltration and condensation.

CavityTherm Accessories

Xi Academy Logo

At Xtratherm Xi Academy we understand the importance of giving our customers the best technical advice. The Xi Academy is open to everyone from Builders and Architects to Secondary Education Pupils to learn about advanced building methods, insulation and sustainability.

Closing the gap between design and onsite performance logo

Closing the gap between design and onsite performance

The higher standards of fabric performance required in low energy design calls for greater adherence to best practice detailing to ensure that all insulation systems deliver designer expectation. To help achieve this and to ‘close the gap’ between design and build, we have provided a series of resources for building professionals.

Closing the gap between design and onsite performance
The Xi Innovation Centre

The Xi Innovation Centre

The Xtratherm Innovation Centre has been developed to assist construction professionals in understanding the principles of specifying and achieving on-site, best practice insulation standards for new dwellings, commercial envelope solutions and refurbishment projects.

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Videos

Videos

Check out our Latest Videos

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Gallery

Gallery

Visit our Product Image Gallery

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Online Learning

Online Learning

We offer FREE software tools to help you get the most from our products. We have developed online learning platforms for construction professionals which you can access through the links below

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CPDs

CPDs

We offer training for staff both on-line or in-house in our state-of-the-art theatre/meeting area for CPD presentations and training for groups of up to 50 people.

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Thermal Bridging

Thermal Bridging

A major factor in the performance of the building fabric is not simply the amount of insulation you install, but how it interconnects with other components and the other insulated elements within the design. It is critical when calculating the performance of low energy buildings that this heat loss is measured and minimized.

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Request a callback

All the members of our technical team are individually BBA accredited to help you reach your low energy goals. Fill out your details below to request a call back: