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Signature Series ZeroSightline-HT

Signature Series ZeroSightline-HT


The Zero Sightline-HT is a high-performance thermal vent designed without the sightline of a conventional inserted window. It is specifically designed to be inserted into storefront and curtain wall framing.

  • • Enhanced thermal performance
  • • Zero sightline
  • • Tubular sash
  • • Thermally broken
  • • 3-3/4" Frame depth
  • • Infill: 1" to 1-3/4"

The Zero Sightline-HT is a high-performance thermal vent engineered to eliminate the sightline of a traditional inserted window. Designed for seamless integration, it fits effortlessly into storefront and curtain wall framing, combining superior thermal performance with a sleek, modern aesthetic.

• System Depth: 3-3/4″
• Tubular sash
• CW Insert and flat back perimeter frame
• Custom Polymer Thermal Break
• Frame and Sash are corner-keyed, sealed and hydraulically staked
• Replaceable, high quality compression seals
• Stainless steel four-bar hinges
• High quality cam and multi-point locks
• In-house anodized and organic finishes

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  • • Air Infiltration: <0.10 CFM/sq.ft. (6.24 PSF) per ASTM E283
  • • Static Water: 15 PSF per ASTM E331
  • • Deflection Load: +/-110 PSF per ASTM E330
  • • Structural Load +/- 165 PSF per ASTM E331