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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PIR Insulation
High-performance, energy efficient, structural building system

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Vacuum Insulated
Panels (VIP)

Insulation System
for Flat Roofs & Balconies

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Developers and their design and certification 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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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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Xtratherm’s range of non-combustible, Euroclass ‘A1’ stonewool insulation provides surety when the highest fire performance is required. Stonewool Rainscreen insulation is suitable for use in ventilated facade, rainscreen and framing applications and closed systems such as curtain walling.


High Performance rigid extruded polystryrene


PIR Insulation
Xtratherm UniSIPS is the ideal product when considering structural insulation solutions for wall, floor and roof panels. Technically advanced and thermally efficient, the load bearing panels provide a lightweight and economical solution to facilitate modern methods of construction.


Insulation System for Flat Roofs & Balconies

XtraVIP Insulation System for Flat Roofs & Balconies is a rigid Vacuum Insulation Panel (VIP), consisting of a compressed, fumed, silica sand, microporous core which is evacuated of air and moisture before being
encased and sealed in a special thin, gas-tight, hybrid aluminium foil envelope. Encapsulated and protected within a robust two component elastomeric polyurea waterproof coating.


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

Live Webinars

Xtratherm Technical & Sales provide live online learning and CPD presentations for Builders Merchants, Architects, Engineers, Surveyors, Technologists, Assessors and Students on topics important to you.

Meeting virtually allows for the development of ideas and solutions that are not naturally encouraged during online learning modules.

Our live webinars are created with you and your team in mind, covering the areas of interest that you are focused on. We have a wide range of expertise and many years of experience that can be called upon to join the discussion.
Give us a call or fill in the form below to start the conversation.

Webinar subject matter:

  • Achieving NZEB
  • NZEB and Passive - where are we?
  • It’s all in the detail - How to improve thermal bridging.
  • Calculation of Thermal Bridging - what software?
  • Calculation of U-values getting it right.
  • Cut-to-fall roof thermal calculation - not as simple as an average.
  • Cut-to-fall roof design, the principals.
  • SAP - an understanding
  • DEAP - an understanding
  • Merchant materials and achieving NZEB
Engineers Irelands

Register Now for a Live Webinar

Tell us a bit about yourself?
Which Live Webinar are you interested in attending?
Part L1A 2013 – Fabric Performance towards Passive, NZEB targets
Section 6 2015 Scotland – Fabric Performance and towards passive goals
BR443 Conventions for U-Value calculations
Providing drainage in flat roofing with bespoke cut to fall systems
Part F NI towards NZEB
Fire classification under EN standards
Achieving “A” rated design in conjunction in partnership with your local Builders Merchants
Online learning – Build R & Train R
Thermal Bridging – Y Value calculator


Request a Call Back

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: