{"id":823,"date":"2021-03-16T13:40:05","date_gmt":"2021-03-16T13:40:05","guid":{"rendered":"http:\/\/stage.vozyfama.com\/?page_id=823"},"modified":"2024-09-26T00:46:29","modified_gmt":"2024-09-26T05:46:29","slug":"spandrel","status":"publish","type":"page","link":"https:\/\/vozyfama.com\/spandrel\/","title":{"rendered":"Spandrel"},"content":{"rendered":"
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Spandrel is the portion of a wall located between vision areas of windows, which conceal structural columns floors and shear walls.<\/span><\/h3>\n<\/div>\n<\/div><\/div><\/div>
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For spandrel applications Viracon offers a factory-applied, fire-fused ceramic enamel for use with monolithic or insulating glass and in some laminated glass configurations. A high performance coating on the #2 surface of the laminate is required for units composed with full coverage on the #4 surface.<\/p>\n<\/div>\n<\/div><\/div><\/div><\/div>

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\"Spandrel<\/a><\/p>\n<\/div>\n<\/div><\/div>

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\"Custom-Colors\"<\/a><\/p>\n<\/div>\n<\/div><\/div>

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Viracon uses only lead free ceramic enamel, which are environmentally friendly. A proven performer, ceramic enamel is the product of choice for color consistency, durability, cost control and long life.<\/p>\n

Spandrel Glass Applications<\/span><\/strong><\/span><\/p>\n

The proper application for ceramic enamel spandrel glass is to install it in an opening that has a uniformly colored insulation or back-pan that eliminates the possibility of read-through or viewing the glass in transmission. When done properly, the glass may only be viewed from the exterior of the building, with daylight reflecting from the glass surface.<\/p>\n<\/div>\n<\/div><\/div>

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Note: Spandrel Glass is not for vision wall areas<\/em><\/span><\/strong><\/span><\/p>\n

Viracon's ceramic enamel spandrel glass products are to be glazed against a uniform, opaque background. We do not recommend that they be used in any application where they can be viewed with daylight or artificial light on the opposite side such as interior partitions, mechanical rooms, screen walls or glazing in a parking garage. \u00a0For additional information, please review Viracon\u2019s Ceramic Enamel and Ink Visual Characteristics Tech Talk<\/a>.\u00a0\u00a0<\/strong><\/p>\n

Units with Viracon\u2019s ceramic enamel spandrel glass should be utilized in applications where the surface with the ceramic enamel is protected from exterior elements. The units should not be installed in applications where the surface with the ceramic enamel will be exposed to an outdoor environment.<\/p>\n

Performance<\/span><\/strong><\/span><\/p>\n

Winter and summer u-values are the only performance values available for spandrel glazing. The u-values for spandrel glazing are the same as the corresponding vision unit. Ceramic enamel does not affect u-value performance.<\/p>\n<\/div>\n<\/div><\/div>

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Matching Spandrel and Vision Areas<\/span><\/strong>
\nOften a project may require spandrel glass to harmonize with the vision areas of your building. However, this is sometimes difficult to achieve when high-light transmitting or low-reflective glass types are used. Low-light transmitting and high-reflective glass types provide the least contrast between vision and spandrel areas. Variable sky conditions can also influence our perception. On a bright, sunny day, the exterior light intensity is approximately 50 to 100 times greater than the interior lighting level.<\/p>\n

When viewing the glass from the outside, the dominant visual characteristic is the exterior reflection. On gray, overcast days, a greater visual disparity is created between vision and spandrel areas due to the transparency of the vision glass and the perception of depth created by interior lighting. The non-vision areas tend to look flat and two-dimensional by contrast. By keeping the vision and spandrel glass construction similar (the same exterior glass color, coating, etc.) the contrast can be minimized under various lighting conditions. Viracon recommends using a neutral colored ceramic enamel on the fourth (#4) surface.<\/p>\n

Viracon recommends viewing glass samples or full-size mockups to match vision and spandrel glass areas when the visible light transmission of the vision glass exceeds 14 percent.<\/p>\n

Moir\u00e9 Pattern<\/span><\/strong>
\nMoir\u00e9 is an optical phenomenon that typically appears as a wavy, rippled or circular pattern. It is formed when two regularly spaced, non-aligned patterns overlap. When using spandrel glass, moir\u00e9 can occur when a pattern's shadow is cast against the spandrel glass. The moir\u00e9 pattern is not a defect in the glass or spandrel process but rather a pattern formed by the eye. For additional information, please review\u00a0Viracon\u2019s Ceramic Enamel and Ink Visual Characteristics Tech Talk<\/a>.<\/strong><\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

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