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T325 Series | 3-1/4" Thermally-Broken Single-Hung Window

The D8 Aluminum T325 Series Thermally-Broken Window is a commercial single-hung window that combines exceptional performance and great value. This aesthetically pleasing system has a deep trough sill for superior water performance and comes with a wide range of options including blast-resistant and hurricane-rated performance.

The T325 Series Thermally-Broken Single-Hung 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.



Blast rated Engineered to meet DOD/GSA blast criteria
Hurricane rated Engineered to meet ASTM 1886/ASTM 1996
3-1/4” depth Delivers structural integrity to accommodate design requirements
Class-5 balances Smooth, efficient single-hung functionality
Thermally broken Enhanced energy savings and performance
Custom painted and anodized finishes Wide variety of finishes to accommodate design specifications and customer needs

Performance Data

Air @ 6.24 PSF  |  Per ASTM E-283 <0.3 cfm/SF
Water  |  Per ASTM E-331 10 psf
U-Value  |  Per NFRC-100 0.43 - 0.63


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