Bird Friendly Glass
Glass types: UV bird-safe glass, etched bird-safe glass
Color: Clear glass, low-E glass
Thickness: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm
Size：1220x1830mm,1830X2440mm, 2000X2440mm, 2100x3300mm,2440x3660mm, 2440x4200mm
bird-friendly glass Description
Etched bird-friendly glass (also known as acid-etched bird-safe glass) is a high-performance solution designed to prevent bird collisions with buildings while maintaining exceptional transparency, aesthetics, and energy efficiency. By applying permanent acid-etched patterns on the exterior surface (Surface 1), the glass becomes highly visible to birds, breaking the illusion of open space caused by reflections. This makes it an ideal choice for sustainable architecture, commercial facades, curtain walls, and high-rise projects.
LIKEWAY GLASS offers customizable etched patterns that comply with industry standards such as the American Bird Conservancy (ABC) Threat Factor guidelines (typically 20–25 or lower for optimal protection).
Bird-friendly Glass Specification
| Specification Item | Details |
|---|---|
| Pattern Placement | Acid-etched visual markers on surface 1 (exterior face) |
| Common Patterns | Dots (e.g., 5mm non-directional dots, spaced 2"×2"), horizontal/vertical lines, stripes, custom designs; complies with 2"×4" rule or stricter 2"×2" spacing |
| Threat Factor (ABC Rating) | Typically 15–25 (lower = better bird deterrence); tested per American Bird Conservancy guidelines |
| Glass Thickness Options | Standard: 6mm (1/4"), 8mm, 10mm, 12mm; custom thicknesses available upon request |
| Glass Substrates | Clear float glass, low-iron ultra-clear glass (higher light transmission), low-iron tinted glass |
| Maximum Dimensions | Up to 102"×204" (2590mm × 5180mm); larger sizes possible for special projects |
| Visible Light Transmittance (VLT) | Up to 91% or higher (minimal reduction from etching; maintains diffuse, high-clarity appearance) |
| Coating Compatibility | Fully compatible with high-performance low-E coatings (placed on Surface 2 for optimal energy performance) |
| Solar Heat Gain Coefficient (SHGC) | Achieves low SHGC values when combined with solar-control low-E; superior to many ceramic frit solutions |
| Processing Options | Tempered, heat-soaked, laminated, insulated glass units (IGU), heat-strengthened |
| Standards & Certifications | Complies with ASTM C1036, CE, SGCC, ISO 9001; meets ABC bird-friendly standards; supports LEED certification |
| Durability & Weather Resistance | Permanent acid-etching; highly resistant to UV, weathering, and chemical cleaning |
| Warranty | Up to 10 years on acid-etched surface performance and durability |
| Maintenance | Easy to clean; smooth etched surface resists dirt accumulation |
| Recommended Applications | Commercial facades, curtain walls, high-rise buildings, atriums, office buildings, residential towers |
FAQs about Etched Bird-Friendly Glass
Q1. How does etched bird-friendly glass prevent bird collisions?
A: The acid-etched patterns on Surface 1 disrupt glass reflections and create visible markers that birds perceive as obstacles, following the 2" x 4" rule (or stricter 2" x 2") to break up the illusion of open space.
Q2. Is etched glass more effective than ceramic frit or UV patterns?
A: Yes, acid-etched patterns on the first surface are often more effective for bird deterrence, especially when paired with low-E coatings, as they maintain higher energy performance and translucency without opacity.
Q3: Is the pattern visible to humans?
A: The patterns are subtle and translucent, designed to be minimally obtrusive while remaining highly visible to birds.
Q4: Can etched bird-friendly glass be tempered or used in insulated units?
A: Yes, it can be fully tempered, heat-soaked, laminated, or fabricated into IGUs with low-E coatings on Surface 2.
Q5: How durable is the acid-etched surface?
A: Extremely durable-permanent etching withstands weathering, UV exposure, and regular cleaning; backed by up to 10-year warranties.
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