FEATURES
Solar control
Optitherm achieves a Solar Heat Gain Coefficient (SHGC) of under 0.60. Compared with 0.71 of a regular clear IGU, despite being just as clear
Thermal insulation
Optitherm lets in the winter sun and works to reflect escaping heat back in the room during the colder months.
High visibility
Optitherm boasts a Visible Light Transmission (VLT) figure of 78%, not too shy of regular clear glass plus the added performance benefits.
Energy saving
The ability to ínsulate and light up a building results in far lower energy bills.
SPECIFICATIONS
Glass Options
- Available on Clear or Grey glass
- Maximum sheet sizes – 4500 x 3200mm
Glazing options
- Double glazed in an Insulated Glass Unit (IGU) on surface 2 or 3
- Can be paired up with LoE-i89 on surface 1 or 4 for unprecedented performance
APPLICATIONS
- Buildings seeking natural light
- Residential builds
- Predominently colder climates
- Southern facing windows
- Price sensitive projects
PERFORMANCE
A few example glass make-ups shown below. Please contact Glassworks if you require data for a specific make-up that is not represented here.
| Light Transmission | Reflectance | Solar Heat Gain | U-Value | |
|---|---|---|---|---|
| Regular Low-E IGU | ||||
| 4mm Clear 12mm Argon 4mm clear | 78% | 14% | 0.71 | 2.6 |
| Optitherm® IGU | ||||
| 4mm Clear 12mm Argon 6mm Optiherm | 79% | 12% | 0.6 | 1.4 |
Centre of glass calculated using LBNL Window 7.3 based on NFRC 100 environmental conditions
Get in touch
We are located at
8a Kitchen Road
Dandenong South VIC 3175
Call us on
or email us
Please note that Glassworks is a glass manufacturer and not a glazier or window supplier. We supply the glass to the industry only.
