FG 623 Window Wall

Window Wall

FG 623 Window Wall

The FG 623 Window Wall is an inside glazed system that allows for simplified fabrication and faster installation. A fixed ribbon wall application, the FG 623 Window Wall is available in screw spline and shear block fabrication and delivers hurricane resistance and thermal performance.

  • 2-1/4″ (57.2mm) sightline
  • 6″ (152.4mm) depth
  • Thermal performance
  • Fixed ribbon window wall application
  • Hurricane resistance
  • Optional IsoLock® lanced pour and debridged thermal break
  • Screw spline and shear block fabrication and joinery
  • Infill options of 1/4″ (6.4mm) and 1″ (25.4mm)
  • Silicone compatible glazing materials for long lasting seals
  • Corner members are available for 90° and 135° applications
  • Incorporates expansion verticals as required
  • Large missile impact and cycle tested
  • Stock length sales
  • Permanodic® anodized finish choices
  • Painted finishes in standard and custom choices

Optional Features

  • Integrates with standard Kawneer windows
  • Profit$Maker® Plus die sets

Product Applications

  • Ribbon windows
  • Ideal for single- and multi-lite punched openings

Thermal Technology

Find out more here.

Hurricane Resistant

Find out more here.

FG 623 Window Wall - Architectural Detail Manual
759 KB
Window Wall/Aluminum Window Wall Systems - EPD
866 KB
Finishes Brochure
5 MB
Finishes Information - Architectural Detail Manual
240 KB
Anodize Finishes - Color Chart
82 KB
Liquid Paint - Color Chart - Permadize®
1 MB
Liquid Paint - Color Chart - Permafluor®
137 KB
Powder Paint - Color Charts - Permacoat®
127 KB
FG 623 Window Wall - English

Download All
Non-Thermal 1/4" System (Std Details)
Non-Thermal 1" System (Std Details)
Thermal 1" System (Std Details)
Corner Details (Non-Thermal and Thermal Systems)

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While most of our products are not hazardous in and amongst themselves, hazardous properties can develop when the product is altered through cutting, welding, and grinding.  Details on the specific hazards that can develop and the proper protective measures to use can be found in the SDSs.

Arconic’s SDS database provides PDF files of safety information on specific materials.  The SDS ID numbers (product code) and description for materials used in Kawneer products are listed below.

1405 – Kawneer Thermal Break Filled Extrusions
1385 – Kawneer Acrylic Paints
1386 – Kawneer Fluoropolymer Paints

1526 – Kawneer Bloomsburg Solvent Recovery Still Residuals

1387 – Painted Architectural Aluminum Extrusions
509 – Aluminum Extrusions, Anodized Aluminum Products


Search Arconic’s SDS database for safety information on specific materials.

Search Instructions


Warranty Disclaimer TBC

Material & Workmanship - English
228 KB
Material & Workmanship - French
239 KB
Kawneer - CA Prop 65 Warnings - English
462 KB
Anodized Finishes Warranty - English
561 KB
Anodized Finishes Warranty - French
538 KB
Painted Finishes Warranty - English
597 KB
Painted Finishes Warranty - French
593 KB
Insulating Glass Warranty - English
552 KB
Insulating Glass Warranty - French
541 KB
Laminated Glass Warranty - English
176 KB
Laminated Glass Warranty - French
165 KB