translucent insulation
In order to transmit visible light, Kalwall has developed translucent thermal insulation (TI) options for U-factors between 0.53 – 0.05 with VLT% between 3%-50% including Cabot’s Lumira® aerogel. No matter the application, Kalwall has the right thermal insulation packages for even the most extreme environments.
Performance Data: 2-3/4” (70mm) Panel
| FRP Face Sheet Combinations | Visible Light Transmission (VLT) % | Solar Heat Gain Coefficient @ 0° | |||||||||
| Exterior FRP | Interior FRP | 0.53 U | 0.29 | 0.23 U | 0.22 | 0.14 U | 0.18 | 0.10 U | 0.05 U | 0.53 U | 0.29 | 0.23 U | 0.22 | 0.14 U | 0.18 | 0.10 U | 0.05 U |
| Crystal | White | 35% | 20% | 12% | 8% | 20% | 0.52 | 0.28 | 0.17 | 0.13 | 0.25 |
| White | White | 20% | 15% | 8% | 5% | 14% | 0.38 | 0.23 | 0.15 | 0.11 | 0.18 |
| Crystal | Crystal | 50% | 30% | 15% | 10% | N/A | 0.65 | 0.33 | 0.18 | 0.13 | N/A |
| Aqua | White | 29% | 17% | 6% | 4% | 15% | 0.45 | 0.24 | 0.14 | 0.1 | 0.21 |
| Rose | White | 30% | 18% | 6% | 4% | 16% | 0.46 | 0.24 | 0.15 | 0.1 | 0.21 |
| Ice Blue | White | 35% | 20% | 8% | 6% | 21% | 0.54 | 0.28 | 0.17 | 0.12 | 0.26 |
| Greenish Blue | Crystal | 25% | 14% | 5% | 3% | 14% | 0.5 | 0.23 | 0.14 | 0.1 | 0.19 |
Performance Data: 4” (100mm) Panel
| FRP Face Sheet Combinations | Visible Light Transmission (VLT) % | Solar Heat Gain Coefficient @ 0 | |||||||
| Exterior FRP | Interior FRP | 0.55 U | 0.15 U | 0.08 U | 0.05 U | 0.55 U | 0.15 U | 0.08 U | 0.05 U |
| Crystal | White | 35% | 14% | 7% | N/A | 0.52 | 0.09 | 0.04 | N/A |
| White | White | 20% | 12% | 5% | N/A | 0.38 | 0.06 | 0.04 | N/A |
| Crystal | Crystal | 50% | 17% | 8% | N/A | 0.65 | 0.10 | 0.07 | N/A |
| Air Gap Only | Fiberglass ‘Batts’ | Lumira® Aerogel |
U-value SI conversion: 1.0 W/m²K = 0.176 Btu/hr/ft²/°F
U-values shown in bold denote thermally-broken grid core panels.
Approximate Visible light transmission (VLT) values by ASTM E-972. VLT values over 30% are not recommended for most Kalwall applications.
Panel U-values include panel grid-core by NFRC 100 or 102. NFRC certified system U-values vary depending on framing.
Shading Coefficient (SC) is equal to 1.15 times the Solar Heat Gain Coefficient (SHGC).
