Crittall T60
Crittall’s thermally broken steel window: the W20 aesthetic with a modern thermal core, achieving U-values as low as 0.8 W/m²K. The specifiable route to the steel-window look on projects that must meet current Part L.
Carbon and evidence
Product Evidence
Evidence currently held for the Crittall product record.
Evidence Base
No declaration yetCrittall has not published an EPD or a quantified carbon figure for this product, so nothing on this card is numerical. The guidance below is qualitative — drawn from the product record and curated category knowledge — for early design discussion, not for figures.
No EPD or quantified carbon figure is published for this product, so no figure is recorded (site, downloads library and programme-operator registries checked 8 August 2026). Crittall’s 2020 Sustainability Statement is qualitative.
Next step: request a current product EPD or manufacturer carbon declaration.
What's missing (4)
- •No current product EPD is recorded.
- •No quantified carbon result is recorded.
- •1 sustainability claim is withheld because exact public evidence is not mapped.
- •1 certification is withheld because exact public evidence is not mapped.
1 claim and 1 certification are held in the staging record but not presented as product evidence because an exact public source has not yet been mapped.
Design & Specification Notes
Crittall’s thermally broken steel window: the W20 aesthetic with a modern thermal core, achieving U-values as low as 0.
Typical Uses
- •Glazing systems
- •Daylight openings
- •Thermal envelope
Key Performance
Supports daylight and thermal performance of the envelope.
Typical Service-Life Estimate
30 yearsSpecification Actions
- •Verify glazing U-values meet or exceed building regs.
- •Consider specifying higher recycled glass content.
- •Request a current product-specific EPD where available.
Indicative Health & Indoor Air
Specification
- Finish
- Thermally broken steel window, Duralife polyester powder coat
- Thermal
- U-value as low as 0.8 W/m²K