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This innovative flush glaze storefront framing system utilizes a dual pour and debridge thermal barrier that provides outstanding energy efficiency. Available in either shearblock or screw spline construction, the 403X Series can be used in conjunction with virtually all EFCO entrance systems and V410 vents. A variety of options are available for use with this system, including sunshade mullions and variable sight line horizontals. Steel reinforcement is also available to enhance structural capability.

Thermally broken frames
Enhanced thermal performance
Screw spline construction
Allows assembly of sections prior to installation
Decreases installation time
Shear block construction
Ability to erect on the job site
The optional Roto-Vent ventilator
Allows fresh air into the room, yet maintains security
2-way corner mullions (90° & 135°)
Design flexibility
3-way corner mullions (T-mullions)
Multifaceted elevations
0°-15° and 15°-30° variable mullions
Custom applications
Accommodates up to 1 1/16" glazing
Expands design and energy savings options
Uniform glazing gasket is used for exterior and interior
Allows optimized use of gasket
Simplifies ordering and installation
Various height intermediate horizontals and sills
Ability to maintain desired sight line
Accessory line of perimeter anchors, pocket fillers, door adaptors, etc.
Increased product versatility
Anodized and painted finishes available
Unlimited options to answer economic and aesthetic concerns
  • Shear Block Framing

    Shear Block Framing

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    Elevations
  • Shear Block Framing

    Shear Block Framing

    Details
    Elevations
  • Screw Spline Framing

    Screw Spline Framing

    Details
    Elevations
  • Screw Spline Framing

    Screw Spline Framing

    Details
    Elevations