3‑1/4" 8000HC

3‑1/4" frame heavy commercial rated aluminum double hung for replacement and new construction applications
8000 series, Double Hung 2

Product Features


  • Windows are tested to AAMA standards
  • 7/8″ Insulated  glass
  • Typical commercial thermal ratings met with standard glass packages
  • Mulls with all 3 1/4″ frame depth operable and fixed windows
  • Factory assembled, common jamb mull upgrades structural integrity and accelerates installation
  • Double sashes enable optimum airflow and tilt-in to permit cleaning of all surfaces from the outside
  • Two full length integral lift handles for ease of operation
  • Double spiral balances in larger size windows for increased sash performance
  • Frame design permits half-screen removal to the interior only – avoiding accidental fall-out
  • Structurally, thermally and acoustically tested and certified


  • Stainless steel lock and keepers
  • Anti-drift latch
  • Spiral or block and tackle balances
  • Limit stops as necessary for opening restrictions or to affix top sash for single hung operation


  • DoD minimum anti-terrorism Std. compliant glass and hardware package per UFC 4-010-01
  • Impact rated package per ASTM E1996 Section 7
  • Internal muntins (GBG), interior and exterior Simulated Divided Lites (SDL)
  • Exterior Applied in-frame profiled grids are widely approved for historic applications
  • Dual and triple low-e configurations for increased thermal ratings
  • Available with equal leg, 1″ New construction fin, and 1 1/2″ flange frame
  • Custom integral flange frames to meet unique installation conditions
  • Oriel or Cottage Style unequal sashes
  • Full range of tested and approved STC & OITC results for increased acoustic ratings
  • Full Screen as 2 x 1/2 screen configuration for ease of interior removal
  • Stainless steel vandal screens enhance child safety and limit exterior damage
  • Operable blinds-between-the-glass reduce maintenance time and child cord hazards
  • Available as single hung with removable top sash


  • Sill auto latch
  • Ultra-lift balances
  • WOCD (re-engageable limit device)
  • NYC DOH approved limit stops
  • Trickle ventilators

Product Summary

ModelFrameTest SizeAAMA RatingWater psfU-Value RangeSHGC Range
8000HC3-1/4"5'0" x 8'0"H-HC459.0.38 - .63.59 - .18
8000HC3-1/4"4'6" x 7'0"H-HC609.0.38 - .63.59 - .18
8500 Fixed3-1/4"6'0" x 6'0"F-HC7012.0.28 - .54.71 - .21

Product Details


Heavy Commercial 3‑1/4″ 8000HC

Product Summary & Performance Data

8000HC8000HC8500 Fixed
AAMA Rating
Test Size
5'0" x 8'0"4'6" x 7'0"6'0" x 6'0"
Frame Depth
3 1/4"
3 1/4"
3 1/4"
Insulated Glass Thickness
Structural Load (psf)67.590105
STC Range31-3531-3528-37
OITC Range25-3125-3122-31

Series Drawings