We offer a range of highly-effective Bird Safe glass products to satisfy building specifications for bird-friendly glazing. The product family includes UV (highly transparent to human eye), etched, and fritted glass which meet the American Bird Conservancy’s *2×4 rule for preventing bird collisions and industry requirements for safety, energy efficiency, and sustainability.
Bird Safe glass with ultraviolet reflective patterns is visible to birds but highly-transparent to the human eye which enhances the human visual experience. GlasPro Bird Safe Ultraviolet Reflective glass has an American Bird Conservancy (ABC) Threat Factor (TF) of 21. The glass exceeds the ABC’s minimum standard for effective collision deterrent materials of TF 30. ABC uses Threat Factors to indicate the relative ability of materials to reduce collisions. Products with lower TFs are considered more effective at preventing collisions.
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Bird Safe with fritted line or dot patterns on the glass is an effective collision deterrent and offers an attractive design detail for railings.
Bird Safe First Surface Etch products comply with the 2”x 4” rule* for bird-friendly glazing. The etched dot and linear patterns on the exterior surface are visible to birds and help prevent collisions with glass.
Walker AviProtek® glass is designed with acid-etched line or dot patterns located on the outside (1st) surface which are visible to birds and help avoid collisions. The patterns give a building’s exterior a distinctive look with eye-catching patterns.
* The 2×4 rule describes the distance between elements making up a pattern applied to windows for the purpose of preventing bird strikes. To be effective, the pattern must uniformly cover the entire window and consist of elements of any shape (lines, dots, other geometric figures, etc.) separated by no more than 5 cm (2 inches) if oriented in horizontal rows, or by 10 cm (4 inches) if oriented in vertical columns. These patterns eliminate bird-window collisions when applied to the outer surface (Surface #1) of reflective panes, or when applied to any surface of multi-pane see-through windows. Greater spacing between pattern elements increases the risk of a strike and casualties.
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