SheerWeave® 4550/4650
Woven from thin and light weight vinyl-coated polyester yarns into a unique twill weave, Styles 4650 and 4550 offer a distinct two-sided appearance that maximizes both outward visibility and solar heat reduction. Style 4650/4550 can also be used in exterior roller shades.
Standard Widths | 63" and 98" (160.0 cm and 248.9 cm) |
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Standard Roll Length | 30 Linear Yards (27.4 m) |
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Composition | 17% Polyester, 83% Vinyl on Polyester |
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Mesh Weight | 4550: 13.0 oz/yd2 (440.78 g/m2) | 4650: 13.3 oz/yd2 (450.96 g/m2) |
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Fabric Thickness | 4550: 0.025 in (0.64 mm) | 4650: 0.026 in (0.66 mm) |
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Openness Factor | 4550: Approximately 5% | 4650: Approximately 3% |
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UV Blockage | 4550: Approximately 95% | 4650: Approximately 97% |
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Acoustical Value | 4550: NRC 0.15 / SAA 0.18 | 4650: NRC 0.10 / SAA 0.11 |
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Acoustical Performance | NRC (Noise Reduction Coefficient) and SAA (Sound Absorption Average) tested in accordance with ASTM C423-09a. |
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| SOLAR OPTICAL PROPERTIES | SHGC/G VALUE g-tot (glass & blind) |
| | Single | Insulating |
| TS | RS | AS | TV | 1/4CL | 1HA |
Style 4550 (5%) | |
4550 P10 Granite | 7 | 56 | 37 | 8 | 0.33 | 0.24 |
4550 P65 Linen | 9 | 59 | 32 | 10 | 0.31 | 0.23 |
4550 V45 Coal | 8 | 48 | 44 | 9 | 0.37 | 0.26 |
4550 V47 Chestnut | 9 | 48 | 43 | 11 | 0.37 | 0.26 |
Style 4650 (3%) | |
4650 P10 Granite | 6 | 55 | 39 | 8 | 0.33 | 0.24 |
4650 P65 Linen | 7 | 58 | 35 | 8 | 0.32 | 0.23 |
4650 V45 Coal | 5 | 47 | 48 | 7 | 0.37 | 0.26 |
4650 V47 Chestnut | 7 | 48 | 45 | 8 | 0.37 | 0.26 |
*TS - Solar Transmittance, RS - Solar Reflectance, AS - Solar Absorptance, TV - Visual Transmittance *SHGC = Solar Heat Gain Coefficient *1/4 CL = 1/4" Clear Glass, 1 HA = 1" Heat Absorbing Glass *Fabrics Installed Internally, Zero-Degree Profile Angle *Solar Heat Gain Coefficient (SHGC) shown calculated according to Office of Building Technology, State and Community Programs, Energy Efficiency and Renewable Energy, U.S. Department of Energy's definition of SHGC. SHGC represents the percentage of solar heat gain that is transmitted to the interior through the glass and shading system. If you are using glass whose performance is listed in terms of SC, you may convert to SHGC by multiplying the SC by 0.87.