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.

> Find out more
right image

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.

> Find out more
right image

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

> Find out more
right image

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

> Find out more
right image

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

> Find out more
right image

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.

> Find out more
right image

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.

> Find out more
right image
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.

> Visit cavitytherm.ie

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.

Superior Performance PIR Insulation

XO/STP

Applications: Soffit

XO/STP

XO/STP provides effective thermal and fire protection solutions in structural ceiling applications in commercial and residential buildings. The high performance modified PIR insulation board, with low emissivity textured aluminium foil facings, is bonded to impact resistant 6mm building panel which offers a secure finish for ease of maintenance to which a decorative finish may be applied.

U-Value calculations to EN ISO:6946
XO/STP Insulation for Soffit Application

Thickness includes 6mm building panel

XO/STP56mm66mm81mm86mm106mm126mm
Solid Concrete 200mm0.360.310.250.250.200.17

Product Downloads

Product Range

XtroLiner is a superior performance insulation with a lambda value of 0.021 Wm/K and a Euroclass C fire classification. It is faced with a robust PIR aluminium foil and is available with engineered jointing to deliver improved Thermal Bridging detailing.

Key Points

  • High Impact Resistant 6mm Building Panel
  • Fire Classification B-s1, d0
  • Accepts Decorative Finish
  • Reduced Thermal Bridging
  • Lower Lambda Value for Improved U-Values

Xtratherm reserves the right to change this information without notice.
Xtratherm accepts no responsibility for errors or omissions on the website.

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: