1.800.221.4169

The series 3900 fixed window is a 3-1/4" deep system designed for commercial, local government, and education applications. The 3900 utilizes a urethane thermal barrier, combined with ultra-low air infiltration to enhance occupant comfort and energy savings. Offered with a complete line of subframes, mullions, and architectural sills, the series 3900 is a flexible option in today's retrofit and new construction markets.


Accommodates up to 2" glazing
Provides design flexibility to meet additional thermal and/or acoustic performance needs
Anodized and painted finishes available
Unlimited options to answer economic and aesthetic concerns
Accessory line of subframes, mullions, and architectural sills
Allows custom designs with standard product
Variety of panning and interior trim available
Simplify installation and match existing sightlines and aesthetic features
3-1/4" Frame Depth
Can be mulled or stacked with other 3-1/4" window systems.
  • <p>4S58<br/></p>

    4S58

  • 2129

    2129

  • 2349

    2349

  • 2382

    2382

  • 2804

    2804

  • 2841

    2841

  • 2903

    2903

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    2904

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    2908

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    2909

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    2912

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    2913

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    2937

  • 2987

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  • 2997

    2997

  • 3638

    3638

  • 4189

    4189

  • 1443

    1443

  • 1584

    1584

  • 2153

    2153

  • EX20

    EX20

  • EX28

    EX28

  • EX38

    EX38

  • EX52

    EX52

  • EX54

    EX54

  • EX56

    EX56

  • KC35SL

    KC35SL

  • 1257

    1257

  • 1M06

    1M06

  • 1M42

    1M42

  • 1M55

    1M55

  • 1M59

    1M59

  • 1M64

    1M64

  • 1M82

    1M82

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    1M83

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    1M85

  • 2M82

    2M82

  • 3866

    3866

  • 3M02

    3M02

  • 3M07

    3M07

  • 3M12

    3M12

  • 3M17

    3M17

  • 3M22

    3M22

  • 7580

    7580

  • EK01

    EK01

  • EP93

    EP93

  • <p>5H88<br/></p>

    5H88