Curb-Mounted Cap Skylights
VTECH’s Patented Curb-Mounted Cap Skylight offers a simple install on a new or existing curb, coupled with the clarity and durability of energy-efficient, LoE3, argon-filled dual-glass or polycarbonate panels. Heavy-duty materials ensure the CMC skylight is built to withstand the installation process, as well as anything Mother Nature throws its way. Available in standard sizes for both residential or commercial applications, these superior products are backed by an all inclusive, 10-20 year transferable warranty, based on the product.

Warranty on Hurricane Glass.
| Size Code | Part Number | Product Description | U-Factor Value | Solar Heat Gain Coefficent (SHGC) |
|---|---|---|---|---|
| 2×2 CMC | VT2x2CMCSTDG | Standard Glass | 0.42 | 0.26 |
| 2×4 CMC | VT2X4CMCSTDG | 0.42 | 0.26 | |
| 3×3 CMC | VT3X3CMCSTDG | 0.42 | 0.26 | |
| 2×2 CMC | VT2X2CMCSAFG | Safety Glass | 0.41 | 0.25 |
| 2×4 CMC | VT2X4CMCSAFG | 0.41 | 0.25 | |
| 3×3 CMC | VT3X3CMCSAFG | 0.41 | 0.25 | |
| 4×4 CMC | VT4X4CMCSAFG | 0.41 | 0.25 | |
| 2×2 CMC | VT2X2CMCHURG | Hurricane Glass | 0.38 | 0.26 |
| 2×4 CMC | VT2X4CMCHURG | 0.38 | 0.26 | |
| 3×3 CMC | VT3X3CMCHURG | 0.38 | 0.26 | |
| 4×4 CMC | VT4X4CMCHURG | 0.38 | 0.26 | |
| 4×4 CMC | VT4X4CMCSNOW | Ice and Snowloads Glass | 0.39 | 0.26 |


| Size Code | Part Number | Product Description | U-Factor Value | Solar Heat Gain Coefficent (SHGC) |
|---|---|---|---|---|
| 2×2 CMC | VT2X2CMCPWNA | Dome Over Poly with or without Lumira-Aeroge |
0.33 | 0.54 |
| 2×4 CMC | VT2X4CMCPWNAD | Dome Over Poly with or without Lumira-Aeroge |
0.33 | 0.54 |
| 4×4 CMC | VT4X4CMCPWNAD | Dome Over Poly with or without Lumira-Aeroge |
0.33 | 0.54 |


| Size Code | Part Number | Product Description | U-Factor Value | Solar Heat Gain Coefficent (SHGC) |
|---|---|---|---|---|
| 2×2 CMC | VT2X2CMCPWN | Dome Over Poly with or without Lumira-Aeroge |
0.33 | 0.54 |
| 2×4 CMC | VT2X4CMCPWN | Dome Over Poly with or without Lumira-Aeroge |
0.33 | 0.54 |
| 3×3 CMC | VT3X3CMCPWN | Dome Over Poly with or without Lumira-Aeroge |
0.33 | 0.54 |
| 4×4 CMC | VT4X4CMCPWN | Dome Over Poly with or without Lumira-Aeroge |
0.33 | 0.54 |





