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T550 Series | Thermally-Broken Zero Sightline Vent Insert

The D8 Aluminum T550 Series is a thermally-broken zero sightline window that is available in both projected-out casement and awning configurations. The T550 Series delivers operable functionality in storefront and curtain wall systems without built up aluminum sightlines.

The T550 Series Thermally-Broken Zero Sightline Vent comes with an industry standard factory warranty.



3-1/2” frame depth Compatible with most curtain wall and storefront systems
Zero sightline frame Maximum daylight opening minimizes sightlines
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

Type Awning Casement
Air @ 6.24 PSF  |  Per ASTM E-283 <0.01 cfm/SF <0.01 cfm/SF
Water  |  Per ASTM E-331 8 psf 8 psf
U-Value  |  Per NFRC-100 0.50 - 0.56 0.50 - 0.56


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