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W4500 Series Window Wall

Window Wall

Frame Depth (inches) 4.5

Description Factory glazed window and door system for use in high-rise new construction applications.


  • Applications
  • Commercial
  • Energy Performance
  • Residential High-Rise

Air Infiltration (cfm/ft2)


Water Resistance (psf)


Design Pressure Positive (psf)


Uniform Load Structural (psf)



0.19 - 0.37 (Fixed) 0.30 - 0.43 (IS Casement) 0.37 - 0.51 (PO Awning)


72 (fixed); 70 (operable)




The air infiltration and water resistance performance values provided above were achieved in a controlled lab environment. Performance of our products in the field will vary depending on product configurations, installation methods, and ambient conditions. AAMA 502 “Voluntary Specification for Field Testing of Newly Installed Fenestration Products” should be adhered to for testing installed products.

Standard Features

  • Operable window and door integrated window wall system factory glazed for optimum quality control
  • Aluminum slab covers for seamless continuity
  • Anchorage at floor and ceiling slabs
  • EPDM dry glazed to accommodate field re-glazing
  • Thermal strut technology for superior U-values

Optional Features

  • Customizable window configurations
  • Dual finish (two-tone color) option

Technical Data

Installation Accessories

4½" Unitized Frame Accessories
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4½” Frame Accessories
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CAD Files




Elevation 1
Elevation 2
Fixed Int. Glazed; PO Awning
Fixed Ext. Glazed; PI Casement
Fixed Int. Glazed Large Cap Jamb; M/F Fixed; PO Awning | M/F PO; Fixed Ext. Glazed / M/F Fixed Ext. Glazed PO Casement
M/F PI; Fixed Int. Glazed Casement | Fixed Int. Glazed Small Cap Jamb | M/F Fixed Int. Glazed; PO Fixed | M/F PO Fixed; Fixed Ext. Glazed
M/F Fixed Ext. Glazed; PI Fixed | M/F PI Fixed; Fixed Int. Glazed | Fixed Int. Glazed Horizontal Intermediate | PO; Fixed Horizontal Intermediate w/Awning
Fixed Ext. Glazed Horiz. Intermediate | PI Fixed Horiz. Intermediate w/ Casement | Fixed; PO Horizontal Intermediate w/Awning | Fixed; PI Horizontal Intermediate w/ Casement
90° Outside Corner Mullion, Fixed/Fixed, Int. Glazed | M/F Fixed/Fixed Int. Glazed
Slab Cover
Accessories 1
Accessories 2
TESTING: Our products are tested to the standards of and certified by the American Architectural Manufacturer's Association and the National Fenestration Rating Council.