GBS ULTRA Timber windows are developed for low energy and Passivhaus projects and offer a versatile, cost-effective solution. Available in either an insulated or solid frame version to give a very high level of design flexibility. This allows specifiers to use the two options interchangeably, depending on cost/ performance requirements, as determined in Passivhaus Planning Package (PHPP).
Features:
- Developed for low energy & Passivhaus projects.
- Outward and inward opening windows.
- FSC® 100% timber in redwood or oak.
- Passivhaus certified insulated frame window redwood option.
- BRE Green Guide A+.
Security:
GBS ULTRA windows have been independently tested to BS 7950 to provide enhanced resistance against forced entry and are compliant with Secured by Design requirements.
Applications:
- Housing associations, social housing and private residential developments.
- Schools, offices and commercial developments.
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Green Building Store is consulted before specifying.
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| Glazing Thickness (?) | 52 mm | |
| U-value (overall) (?) | 0.52 W/m2k | 95.83% |
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| Uniclass (?) | Pr_30_59_98 Window units | |