Replacing mass colored glass with Earth Tones
Vanceva® Earth Tones
Vanceva® Earth Tones continue to provide architects and designers the option to expand their creative boundaries using subtle colors and fulfill their vision without sacrificing structural integrity. Select from a range of 11 natural earth tones in shades of blue, grey, green, brown, and bronze.
Vanceva Earth Tones are intended to be used alone—as a single interlayer in laminated glass. However, they are compatible with other Saflex® and Vanceva architectural interlayers and may be layered if desired. Review of mock-ups is recommended.
Vanceva Earth Tones are designated with a four-digit code identifying color and visible light transmittance (in 3 mm clear glass). This code is preceded by the letter “S” indicating that it is a single layer and not a stack of four assembled interlayers. For example, S-3628 is a single layer of Vanceva Earth Tones brown with 28% visible light transmittance while Vanceva 3628 is a layer of 0003+0006+0002+0008.
All Vanceva Earth Tones are supplied as 0.38 mm (RB17) thickness interlayers. Marine, Shale, and Dolomite are also available in 0.76 mm (RB47) thickness. These thicker options are produced to the same color specifications as their 0.38 counterparts which means that the color intensity and visible light transmittance (VLT) does not scale with interlayer thickness. To illustrate this property, Table 1 provides an overview of low-iron configurations constructed with 4 mm glass laminated with 0.38 mm and 0.76 mm Vanceva Earth Tone interlayers.
Table 1: Comparison of Vanceva Earth Tone thickness—select performance characteristics
| Color name | Code | Thickness [mm] |
Visible light transmittance [%] |
Color rendering index1 |
Color |
| Marine | S-3773 | 0.38 (RB17) | 71 | 91 | Blue green |
| S-3773 | 0.76 (RB47) | 72 | 91 | ||
| Shale | S-6544 | 0.38 (RB17) | 45 | 97 | Grey |
| S-6544 | 0.76 (RB47) | 45 | 97 | ||
| Dolomite | S-6452 | 0.38 (RB17) | 54 | 94 | Bronze |
| S-6452 | 0.76 (RB47) | 53 | 94 |
As shown in Table 1, the light transmission and color characteristics are very similar. If both interlayer thicknesses are needed in a single project, please contact your Eastman representative to ensure a uniform color aspect.
Offering exception
Vanceva Limestone is available in two thicknesses because of historical use. However, this specific interlayer is designed to have, and is designated with, two different VLT levels (Table 2). The 0.76 mm thickness has a VLT of 38% and is designated as Vanceva Limestone 38 color code S-5538. The 0.38 mm Limestone has a VLT of 58%.
Table 2: Vanceva Earth Tone limestone offering
| Color name | Code | Thickness [mm] |
Visible light transmittance [%] |
Color rendering index2 |
Color |
| Limestone 58 | S-5558 | 0.38 (RB17) | 59 | 96 | bronze |
| Limestone 38 | S-5538 | 0.76 (RB47) | 40 | 91 |
The Vanceva Earth Tones interlayers are premium-tinted, plasticized polyvinyl butyral (PVB) interlayers. To resist fading, these PVB films are made with heat- and light-stable colorants. As a result, they are ideal for both exterior (curtain walls, spandrel glass, atriums including skylights partitions, balconies, etc.) and interior applications (partitions for offices and meeting rooms, conference rooms, balustrades, lift cages, stair railings, furniture, etc.).
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