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Bird-Safe Glass Solutions
Bird-Safe Glass

Bird-Safe Glass Solutions

Glaspedia Bird-Safe Glass

Each year, an estimated 600 million birds die from window collisions in North America. To address this, cities like Toronto introduced mandatory bird-safe glass guidelines in 2014, and rating systems such as LEED Innovation: Bird Collision Deterrence and Beam Plus V2.0 SS7 now award credits for wildlife-friendly building features. Bird-safe glass relies on visible markers following the 2x4 rule (≤2” horizontal, ≤4” vertical spacing), ensuring birds perceive façades as barriers. Even 5% coverage can be highly effective. Products should undergo third-party testing, with the American Bird Conservancy (ABC) Test confirming a Threat Factor (TF) below 30 as bird-friendly. Glass achieving TF ≤ 25 is considered highly effective.

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South Star’s Bird-Safe Glass Solutions.jpg

Product Solution

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South Star , through its Glaspedia bird safe glass portfolio, offers advanced solutions that integrate safety, durability, and design flexibility:

  1. AvianSafe Grey Dot 01- A ceramic frit dot pattern fired onto the glass surface, providing high-contrast visibility while maintaining daylight transmission. The frit is permanently bonded, ensuring resistance to UV, abrasion, and weathering, and complies with ASTM and EN standards.  

TF = 25

  1. AvianSafe BIPV 40- A building-integrated photovoltaic solution that combines renewable energy generation with bird-safe grading. CdTe thinfilmcell patterns deter collisions while supporting vision transparency, energy efficiency and bird-friendly compliance.  

TF = 30

  1. Laminated Glass with Bird-Safe Interlayers- Incorporating Kuraray BirdSecure™ Pro and Eastman Saflex® FlySafe™ 3D Laminate, these laminates embed deterrent patterns within the glass, offering permanent bird protection alongside acoustic insulation, impact resistance, and UV filtering.  

TF from 10 to 29

  1. Digitally Printed Glass- Using durable Ferro S1de One Series ceramic inks, South Star offers white lines or blue dot patterns fused into the glass, delivering long-term performance and design versatility.

TF from17 to 21

Product Parameters

 

Glaspedia AvianSafe

Grey Dot 01

Glaspedia AvianSafe

BIPV 40

Trosifol Bird Secure Pro(0.76mm)

Saflex FlySafe 3D PVB (0.76mm)

Dip-tech 1st Surface Frit

Pilkington Avisafe 1st UV coated glass

Type

Frit pattern

Customized CdTe PV cell

PVB interlayer

PVB interlayer

Frit pattern

UV coating

Thickness of glazing

6mm

6mm/PVB/3.2mm CdTe/PVB/6mm

6mm/PVB/6mm

6mm/PVB/6mm

6mm

6mm

Applied surface

#2

#4

#2 / #3

#2 / #3

#1

#1

Size of pattern

Ø 6mm

black stripes 60% coverage (40% VLT)

Large (Ø 3/6mm)

Large (Ø 9mm)

White horizontal (3.18mm)

 

Threat Factor

25

20

14-29

 <10

21

12

Lead time

4 weeks

4-6 weeks

 5-6 months

TBC 

10-12 weeks

6-8 months

Warranty

 10yrs

 10yrs

 10yrs

 10yrs

10 yrs

10 yrs

Price (material) for a 3000m2 Curtain wall (HK$/sqm)

~600

~2000

~900

TBA

~800

~1500

available glass thickness

6-15mm

6-15mm

6-15mm

6-15mm

6-15mm

6-10mm

Conclusion

South Star’s bird safe glass solutions demonstrate how bird-safe glass can combine functional safety, sustainability, and architectural aesthetics. By applying proven strategies such as the 2x4 rule and achieving low Threat Factor ratings, these products protect biodiversity while advancing modern building performance.