4 1/2" Frame Depth
Maximum Test Size: 5' 6" x 10'
Standard Features A true double hung window for monumental sizes
Block & tackle balances for superior operation
Heavy duty balances available to balance up to
120 lbs. per sash (larger sight-lines at jambs)
Exterior applied muntin grids available with
1" insulated glass
Removable take-out clips to prevent unauthorized
sash removal
Astragal available for transom units
* Side Load Operation with Thermally Improved Sash and Frame.
Optional Features Insulated glass with exterior
beveled (putty) glazing leg
Dual glazed split sash
True colonial muntins
Operable curved top sash
Internally-housed micro blinds
Thermal Strut Frame option