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Signature Series 3375

Signature Series 3375


The Signature Series 3375 utilizes polyamide thermal break technology for high thermal performance and dual finish options. Overlap sash-to-frame design delivers performance, flexibility, competitive cost, and reduced lead times.

  • • Tubular sash and meeting rails
  • • Enhanced thermal performance
  • • Polyamide thermal break technology
  • • Backbed glazing
  • • Lap sash-to-frame design
  • • 3-3/8" Frame depth
  • • Infill: 1" to 2

The Signature Series 3375 features polyamide thermal break technology for exceptional thermal performance and offers dual finish options for design flexibility. Its overlap sash-to-frame design ensures reliable performance, cost efficiency, and shorter lead times, making it a versatile and competitive solution.

• Frame: 3-3/8″ depth
• Sash 3-11/16″ depth
• Tubular sash and meeting rails
• Sealing return frame legs
• Lap sash to frame
• Frame is corner-keyed, sealed and hydraulically staked
• Polyamide thermal break
• Sash is corner-keyed, sealed and hydraulically staked
• Replaceable, high quality compression seals
• Stainless steel four-bar hinges
• High quality multi-point locks
• In-house anodized and organic finishes

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  • • Air Infiltration: <.10 CFM/sq.ft. (6.24 PSF) per ASTM E283
  • • Static Water: 15 PSF per ASTM E331
  • • Deflection Load: +/-100 PSF per ASTM E330
  • • Structural Load +/- 150 PSF per ASTM E331