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Contact UsOur premium solution for residential double glazing provides an invisible clear coating that keeps heat where it should be - inside your home. This provides year-round comfort and ensures that you and your family are always warm throughout New Zealand's changeable climate.
LightBridge™ is capable of keeping your space naturally lit without increasing your energy consumption or power bills.
A lighter, brighter solution
Whether it's a home or a hostel, LightBridge™ provides superior thermal insulation without sacrificing on natural light – keeping your space a comfortable temperature.
Energy Efficiency
When paired correctly within a double-glazed unit, LightBridge™ products decrease heat transfer between inside and out, so you don’t have to rely so much on heating and cooling systems.
Versatility
Lots of different make ups are available for additional privacy, security, noise and other benefits – making LightBridge™ suitable for almost anything you can dream of.
Double Glazed Unit
LightBridge™ is always contained within an insulating glass units to protect the near-invisible Low E coating. It can also be paired with a wide range of glass options.
Low E Coating
With less tint than other Low E glass, it is among the clearest in New Zealand with 81% light transmission providing greater natural light and clarity.
Locally Processed
All LightBridge™ double glazed units are locally processed and assembled, offering greater opportunity for tailored design and solutions.
Technical Specifications
- Residential windows and doors
- Multi-storey apartments
- Commercial windows and doors
- Minimum Size: 390mm x 190mm
- Maximum Size: 4900mm x 2600mm*
*subject to glass type and material thickness
There are two spacer options within the LightBridge™ range.
Metal Spacer
Two pieces of glass are separated by a metal spacer and sealed to provide a hermetically sealed air gap. It has a primary water vapour proof seal and the secondary seal is supplied standard as polysulphide. Structural silicone secondary seal is an option upon request. The airspace is provided with a desiccant to prevent condensation forming within the unit.
Super Spacer
Super Spacer comprises a Thermoset structural foam containing no metal, an integrated 3A desiccant and an advanced multi-layer vapor barrier structure. It is a warm edge solution that minimises the transfer heat escape path for optimal performance.
Glazing compounds, sealants and gaskets need to be approved by Viridian for suitability.
Frame design - the Viridian Warranty relies on frame design in accordance with AS/NZS4666. Do not expose edges to standing water and moisture as this can result in seal failure. The frames must incorporate impervious weather seals or a self draining system.
Wind load and safety determine the type and thickness of glass required - refer Australian Standard AS1288 or New Zealand Standard NZS4223.
Installation must be in accordance with AS/NZS4666. Please refer to the technical glazing specification on the website for further installation instructions.
Visual characteristics and manufacturing tolerances - LightBridge™ is manufactured to AS/NZS4666. Also refer to the Viridian website for specification and installation information, including distortion and reflection from changes in exterior and interior pressure and temperature.
| U Value | Shading Coefficient | Daylight Transmission | |
|---|---|---|---|
| LightBridge™ (4mm Clear/ 16mm Spacer / 4mm LightBridge™) |
1.1 | 0.69 | 81% |
Where double glazing units have been used, LightBridge™ Low-E coatings are on surface 3 and 5. Centre-of-glass U-Values were calculated by Calumen II software based on EN673 conditions. SC, VLT and Tdw-ISO values were calculated by Window 7 software based on NRFC 100-2010 conditions.
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