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Guardian Bird1st™ Etch

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Guardian Bird1st™ Etch

Guardian Bird1st™ Etch glass features translucent acid-etched patterns designed to deter birds from collision. Achieve a wide array of looks while improving bird safety and meeting energy performance requirements.

Your choice for substrate, size and patterns

Bird1st Etch glass products are available in six patterns – and in large sizes that make Guardian’s bird-friendly glass bigger and more beautiful than ever. Choose from directional, non-directional and randomized patterns as you design bird-friendly facades and curtain walls. Every Bird1st Etch glass option is available with your choice of four of our best-selling SunGuard® low-E coatings on Guardian UltraClear™ low-iron glass, CrystalGray™ tinted glass, gray or standard clear glass. Explore options below.

Counteracting collisions by design

The acid-etched patterns of Guardian Bird1st Etch glass are strategically spaced to provide an effective deterrent for birds of different sizes and species. Based on guidance from the American Bird Conservancy, Bird1st Etch patterns spaced at least 2" x 4" or 2" x 2" apart to significantly reduce collisions. Learn more about the science.

Counteracting collisions by design

Bird protection and performance

Paired with SunGuard low-E coatings, Guardian Bird1st Etch glass also delivers on energy performance. Bird1st products may help you meet LEED Pilot Credit 55 and contribute to Toronto Green Standard Bird Collision Deterrence values. 

Bird protection and performance

Bird deterrent etch patterns

Bird1st Etch glass has been tested by the American Bird Conservancy and has achieved Threat Factors (TF) that quantify collision-avoidance effectiveness.

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Vector-patterns-2023July07

Bird1st Etch LV

Threat factor: 23
Randomized lines, vertically oriented with variable width and spacing

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Vector-patterns-2023July07

Bird1st Etch LH

Threat factor: 30
3mm lines, horizontally oriented and spaced 2" apart

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Vector-patterns-2023July07

Bird1st Etch DX22

Threat factor: 25
Non-directional 5mm dots spaced 2” x 2” apart

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Vector-patterns-2023July07

Bird1st Etch DV24

Threat factor: 25
Directional 6mm dots, vertically oriented and spaced 2” x 4” apart

2 by 4 inch dot pattern
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Bird1st Etch SqX22

Threat factor: 20 
Non-directional 6mm squares, randomly spaced no more than 2” x 2” apart

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Vector-patterns-2023July07

Bird1st Etch SqX24

Threat factor: 25
Non-directional 6mm squares, randomly spaced no more than 2” x 4” apart 

View all our bird-friendly solutions

Browse all Guardian bird-friendly glass solutions

View all our bird-friendly solutions

Take the bird-friendly glazing CEU course

View all our bird-friendly solutions

Learn more about bird-friendly glazing

We can help meet your bird-friendly ambitions
With different priorities, geographic considerations and legal requirements, every bird-friendly architectural project is unique. Guardian can help you choose and specify the glass solution that's right for you.