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Performance and energy efficiency

Understand how glass can influence a building's energy and acoustic performance.

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There’s almost no limit to what you can create with glass

Build with glass

Glass is the ultimate building element, and can be tailored to each project

Glass for your home

We’re helping glass inspire more homes than ever before

7 St. Thomas

Curved glass contributes to harmony between Victorian and contemporary design

Midlands Technical College Library

When glass helps to create a comfortable learning environment

ARO - 242 West 53rd Street

Floor to ceiling windows provide light, transparency and sweeping views of Central Park

All our projects

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Just as we were in 1932, we're ready to meet the challenges of now and the future


Find out more about how glass can support sustainable design

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Glass Analytics

Access our comprehensive suite of engineering and analytical tools

BIM objects

Download and use our standardized Guardian BIM content to create project specific BIM files

Seminars and online learning

For anyone who is interested in learning more about glass and its use

Guardian Bird1st™ Etch
Bird1st Etch 11
Glass that performs and protects

As part of Guardian’s thoughtful approach to bird-friendly glass, Bird1st™ Etch allows architects and designers greater flexibility in meeting both energy performance and bird safety requirements – while delivering on aesthetic. In four distinct patterns, Bird1st Etch boasts a visible translucence for high style and visual appeal on façades and curtain walls.

Product information
  • Clear Float/6 mm (1/4")
  • UltraClear/6 mm (1/4")
  • Facades
  • Windows
  • Doors
  • Curtain Walls
Manufacturing options
  • Heat Treated
Recommended Coating Positions
  • Etched Surface #1, Low-E Coating Surface #2
Maximum Size
  • <96"x130" (2438x3302mm)
Edge Deletion
  • No
Glass type
  • Bird-friendly glass
Glass functions
  • Visibility for Birds
Additional Information
  • Available with SunGuard SN 68, SNX 51/23 and SNX 62/27
Fabrication options
  • Must be used in Insulating Glass Units
  • Neutral

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