Innovative products for curtain walls: investigation of anti-reflective glass coating
Cinnamon, A. D.
2008 ASCE Conf. Proc. 328, Nov.
Cinnamon, A. D., (2008), "Innovative products for curtain walls: investigation of anti-reflective glass coating", ASCE Conf. Proc. 328, Nov.
Abstract:
Over the past few decades, glass coating technology has played a key role in the advancement of curtain wall design. From reflective to low-emittance (low-E) coatings, the available range of materials has provided the designer with greater flexibility in the areas of aesthetics and thermal performance of curtain walls. One of the more recent advances has been in the area of anti-reflective (AR) coatings for glass. Initially intended for items such as eyeglasses and museum display cases, anti-reflective coatings are now being applied to glass in commercial storefronts and curtain walls. This allows for clearer viewing through the glass in applications such as building lobbies, shopping stores, and stadium press and sky boxes by reducing the amount of light that is reflected back at the viewer. This case study will focus on the technology and potential problems with AR coatings exposed to the exterior. The case study involves glass installed in a sloped curtain wall that clads luxury skyboxes at a large Midwestern stadium that was renovated within the past five years and included the replacement of all seating and construction of luxury skyboxes along the east side of the stadium. The case study investigation involved staining of the coating during construction, the composition and placement of the coating, and remediation options considered. Basics of coating types and technology will be discussed as well as actual field surveys and lab testing performed as part of the case study.
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