3 1/4" M1500 Series Double-Hung Tilt-In Window

Ask about our Gold Label Program for this product

  • 3 1/4" Frame Depth
  • 7/8” 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


Additional features:

  • 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

Cross-Section Drawings

Model Rating Structural/
Water/Air Test Size
Air Infiltration
(cfm/sq ft)
Water Resistance
M1530: Standard CW30 56W x 91H 0.17
@ 1.57 psf
6.06 30 45
M1550: Optional^ C50 56W x 91H 0.17
@ 1.57 psf
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