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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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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.
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
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
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.
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.
Technical Support & Resources
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.
High Performance Proprietary Reveal Insulation
Close-R
Applications: Floor
Close-R
Xtratherm Close-R fully insulated cavity closers are a cost effecive solution for builders and specifiers for the closing of cavities around window and door openings, preventing cold bridging, damp penetration, air infiltration and condensation.
The Close-R range is used to close cavities and is suited to all types of windows and doors and is
available in sizes to fit cavity widths from 100mm – 150mm, with checked detail to suit brick or drylined specifications
and flanged detail to suit block outer facings. (Flanged detailing requires precise construction tolerances)
XT/CW Partial Fill
| Wall U-Value | XT/CW | Thermal Liner | IP1/06 Psi Target | Measured Psi-value |
|---|---|---|---|---|
| 0.27 | 60mm | - | 0.05 | 0.006 |
| 0.22 | 80mm | - | 0.05 | 0.008 |
| 0.18 | 100mm | - | 0.05 | 0.010 |
| 0.18 | 60mm | 30mm | 0.05 | 0.004 |
CT/PIR Built-in Full Fill
| Wall U-Value | CT/PIR | Thermal Liner | IP1/06 Psi Target | Measured Psi-value |
|---|---|---|---|---|
| 0.20 | 100mm | - | 0.05 | 0.018 |
| 0.16 | 125mm | - | 0.05 | 0.021 |
| 0.13 | 150mm | - | 0.05 | 0.023 |
Product Downloads
Product Range
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.
Key Points
- Fire Rated Available
- Saves Time
- Cost Effective
- Option of no cut return
- Meets Part L Requirements
Xtratherm reserves the right to change this information without notice.
Xtratherm accepts no responsibility for errors or omissions on the website.