Bildau & Bussmann Simulated Double Hung Featured Profile Image


Simulated Double Hung

Product: Bildau & Bussmann

Material: Multiple Material Options

Our Simulated Double Hung mimics the aesthetics of a traditional American double hung while offering the comfort and superior performance of a European tilt-turn window. The upper glass pane is a direct set which also functions as a horizontal post for the lower tilt-turn sash. Our SDH has been approved by the NYC landmarks council for use in traditional landmark buildings.

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Technical Information

Bildau AAMA - Fixed IV79 Intertek TestingLab TestingDownload (1.67 MB)
Bildau AAMA - Tilt-Turn IV79 Intertek TestingLab TestingDownload (2.01 MB)
Bildau ASTM E90 OITC 37 - Laminated GlassLab TestingDownload (1.07 MB)
Bildau ASTM E90 - Sound Transmission Loss TestLab TestingDownload (29.40 KB)


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FSC® Certified

Bildau & Bussmann is an FSC® Certified Company. They offer window and door frames made from sustainably harvested wood, certified by the Forest Stewardship Council®.

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NFRC Certified

Bildau & Bussmann offers NFRC window and door frames. The NFRC rates windows based on U-factor, Solar Heat Gain Coefficient, Visible Transmittance and Air Leakage.