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T4000 Series |  2” Thermally-Broken Projected Window

The D8 Aluminum T4000 Series Thermally-Broken Projected Window provides exceptional value and performance while enhancing the views of schools, hospitals, public buildings or any commercial application.

The T4000 Series Thermally-Broken Projected Window has been tested in accordance with AAMA/WDMA/CSA/101/I.S.2/A440-08 (NAFS-08) and comes with an industry standard factory warranty.



2” depth Delivers structural integrity to accommodate design requirements
Casement, awning and fixed configurations Configurable options to accommodate design specifications
Vent inserts into all D8 storefront and curtain wall systems Operable functionality to fixed glazing systems
Factory glazed Consistent, reliable performance and excellent quality control
Custom painted and anodized finishes Wide variety of finishes to accommodate design specifications and customer needs

Performance Data

Type Fixed Awning Casement
Air @ 6.24 PSF  | 
Per ASTM E-283
<0.01 cfm/SF 0.01 cfm/SF 0.01 cfm/SF
Water  |  Per ASTM E-331 12 psf 10 psf 10 psf
U-Value  |  Per NFRC-100 0.34 – 0.57 0.44 - 0.65 0.44 - 0.65


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