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 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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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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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

detailing accessories

Superior Performance Phenolic Insulation


Soffit Application



Safe-R Soffit Plus SR/STP provides effective thermal and fire
performance solutions in structural ceiling applications in commercial
and residential buildings.
The high performance phenolic 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
SR/STP Insulation for Soffit Application

SR/STP 56mm 66mm 81mm 86mm 106mm
Solid concrete 200mm 0.36 0.31 0.25 0.25 0.19

Thickness includes 6mm building panel

Product Downloads

Product Range

Safe-R is a superior performance phenolic insulation. It is faced with low emissivity foil facings on both sides and has a Lambda value as Low as 0.020 W/mK.

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Key Points

  • Superior Performance Phenolic Insulation
  • Euroclass B fire classification
  • Reduced Thermal Bridging
  • Low lambda values (as Low as 0.020 W/mK)

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

Do you have any questions?

Talk to the team who can help you with your project

Our Technical Team provides technical services throughout our customer bases in Ireland & UK. Their experience and expertise has been built through our engagement and participation with the Irish construction industry for over 30 years.

Certified Technical Knowledge.

Solutions you can trust.

Call The Technical Team:
Tel +44 (0) 371 222 1055
Tel +353 (0) 46 906 6050

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