GT1500 Fixed

February 23, 2023
  • Dual strut thermal breaks with 34 mm separation for improved thermal performance
  • Mulls to 4.5″ frame fixed and operable products
  • Exterior-beveled (putty) glazing leg & up to 1″ insulating glass

W4500 Series Window Wall

November 17, 2020

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
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GT2500 Series Double Hung

May 22, 2014

Block & tackle balances for superior operation
Mulls to 4 1/2” frame fixed and operable products
Sash easily removes from frame for maintenance & cleaning
Sash bypass one another for ease of cleaning (using sweep-lock option)
Removable take-out clips …

4½” Unitized Frame Accessories

May 20, 2014

Click here to learn about Graham’s Unitized Receptor

4½” Frame Accessories

May 20, 2014

Click here for all 4.5″ Frame Depth Accessory Details (PDF)
Click here to learn about Graham’s Unitized Receptor