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Series 403-I is a thermally improved storefront framing system that utilizes EFCO E-Strut™ thermal isolators. These thermal isolators provide outstanding thermal performance and allow dual finish capability. 403-I is compatible with Thermastile™ doors. This system is designed with two fabrication and erection options, providing even greater versatility.

E-Strut™ thermal isolator
Completely eliminates dry shrinkage
Improves thermal performance and enhances energy saving potential
Screw spline construction
Allows assembly of sections prior to installation
Decreases installation time
Shear block construction
Ability to erect on the job site
135 degree inside and outside corners
Design flexibility
Multifaceted elevations
Uniform glazing gasket is used for exterior and interior
Allows optimized use of gasket
Simplifies ordering and installation
Door frame members use thermal struts
Dual finish capability
Threshold uses thermal struts
System thermal barrier is continuous
Horizontal stacking members
Increases configuration options
Various height intermediate horizontals and sills
Ability to maintain desired sight line
Accommodates up to 1 1/16" glazing
Expands design and energy savings options
Accessory options include subframe, mullions, perimeter adaptors, etc.
Increased product versatility
Anodized or painted finishes available
Unlimited options to answer economic and aesthetic concerns
  • Screw Spline Framing

    Screw Spline Framing

    Details
    Elevations
  • Screw Spline Framing

    Screw Spline Framing

    Details
    Elevations
  • Screw Spline Framing

    Screw Spline Framing

    Details
    Elevations
  • Shear Block Framing

    Shear Block Framing

    Details
    Elevations
  • Shear Block Framing

    Shear Block Framing

    Details
    Elevations
  • Shear Block Framing

    Shear Block Framing

    Details
    Elevations