3 1/4" 1600H Series Double-Hung Window

  • 3 1/4" Frame Depth with a 3 5/8” Bottom Sash Rail - consistent with a more historic look
  • Approved by the U.S. National Park Service
  • 5/8” Sealed insulated glass with a 10-year warranty
  • Pour and debridge polyurethane thermal break with a 10-year pass-through warranty against failure of the polymer
  • .062/.050 Typical Wall Thickness - Aluminum Alloy 6063-T6
  • Standard auto lock at the top sash with sweep lock at the meeting rail
  • Dual accessory channels
  • Dual weather seals at the sill comprised of one wool pile and one bulb seal
  • Standard finishes include white and bronze (AAMA 2603)
    non-standard finishes available with minimum order
  • Custom sized - no matrix
  • Marine glazed system; easily reglazed
  • Numerous installation accessories including nail fin, face flange, strap anchors and receptors
  • Multiple glass options - contact your local Wojan representative for assistance

Vertical Cross Section
Horizontal Cross Section

Model Rating Structural/
Water/Air Test Size
Air Infiltration
(cfm/sq ft)
Water Resistance
1630H CW30 56”W x 91”H 0.17 @ 1.57 psf 4.59 30 45
1650H C50 7.52 50 75

Many window ratings can be increased by downsizing the window and determining maximum performance through testing. Contact your local Wojan Sales Representative or our office for details.
* This is an intentional overload aspect to window performance testing and should not be used in lieu of the window DP (Design Pressure) when evaluating a product for a specific project or use.


Contact us for current specification documents: 800.632.9827