3500/3600 Double Hung
You will find only the finest quality in the
3500 Replacement/3600 New Construction Double Hung

    Features and Benefits

  • All-welded sash and frame
  • Multi-chambered construction provide thermally efficient air pockets
  • High performance glass options provide added energy efficiency
  • Full weather-stripping to keep the wind and and weather outside
  • Aluminum reinforced sash
  • Interlock meeting rails for extra security
  • Maintenance-free vinyl extrusions
  • Available colors: White, Beige, and Clay
  • Grid options: 7/8" Flat, 5/8" Flat, 1" Profile
  • WOCD (Window Operating Control Device) Latches to meet ASTM F2090-10
  • Pro-Latch Auto Lock available with optional ADA lock

 New Construction with Nail Fin   and "J" Channel (Shown Below)

Performance Ratings

  U-Factor SHGC Grids
Low E 0.33 0.30 No
Low E 0.33 0.27 Yes
Low E Argon 0.29 0.29 No
Low E Argon 0.29 0.27 Yes


test size 40" x 63" - DP50
test size 44" x 75" - DP40
Air - .10cfm/ft2   Water - 7.50 psf


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