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Where Tradition Meets Tomorrow.
A long-term, historically sympathetic solution for reglazing existing windows and doors in conservation applications.
For many years, the choice when reglazing historic windows has been poor performing single glazing, or unreliable and non-traditional slim double glazing, but not any more.
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LandVac Enhance glazing offers a range of benefits for listed projects and buildings located in conservation areas. With its innovative design and advanced features, it overcomes the limitations of standard double glazing and provides a superior solution. Eliminating double reflection (addressing planning permission concerns), LandVac Enhance glazing stands out as a reliable and energy-efficient choice. Let's explore the advantages it brings to the table:
VACUUM GLASS vs TRADITIONAL GLASS
Compared to Slim Double Glazing, Vacuum Glazing has:
Single Glazing
Slim Double Glazing
Heritage Vacuum Glazing
| Single Glazing | Slim Double Glazing | LandVac Enhance | |
|---|---|---|---|
| Overall Thickness | 4mm | 11 - 16mm | 8.3mm |
| U-Value | 5.8 | 1.2 - 1.9 | 0.4 |
| Acoustic Reduction (RW) | 25dB | 31dB | 39dB |
| Estimated Lifespan | 25+ years | 1 - 10 years | 25+ years |
| U-Value (W/m2K) | Visible Light Transmittance | Outdoor Reflectivity | SHGC (g-value) | Shading Coefficient | Weighted Sound Reduction Index | |
|---|---|---|---|---|---|---|
| 4TL+0.3V+4T Single Coating | 0.4 | 80% | 13% | 0.58 | 0.67 | 39dB |
| 5TL+0.3V+5T Single Coating | 0.4 | 79% | 13% | 0.58 | 0.67 | 39dB |
| 6TL+0.3V+6T Single Coating | 0.4 | 78% | 13% | 0.58 | 0.567 | 39dB |
| U-Value (W/m2K) | Visible Light Transmittance | Outdoor Reflectivity | SHGC (g-value) | Shading Coefficient | Weighted Sound Reduction Index | |
|---|---|---|---|---|---|---|
| 4TL+0.3V+4T Double Coating | 0.4 | 70% | 11% | 0.40 | 0.46 | 39dB |
| 5TL+0.3V+5T Double Coating | 0.4 | 69% | 11% | 0.39 | 0.46 | 39dB |
| 6TL+0.3V+6T Double Coating | 0.4 | 68% | 11% | 0.39 | 0.46 | 39dB |
| U-Value (W/m2K) | Visible Light Transmittance | Outdoor Reflectivity | SHGC (g-value) | Shading Coefficient | Weighted Sound Reduction Index | |
|---|---|---|---|---|---|---|
| 4TL+0.3V+4T XDTB0159 Coating | 0.4 | 53% | 17% | 0.33 | 0.38 | 39dB |
| U-Value (W/m2K) | Visible Light Transmittance | Outdoor Reflectivity | SHGC (g-value) | Shading Coefficient | Weighted Sound Reduction Index | |
|---|---|---|---|---|---|---|
| 4T+0.3V +4TL(S1.10) +0.76P+3T | 0.4 | 68% | 15% | 0.55 | 0.63 | 40dB |
| 4T+0.3V +4TL(D80) +0.76P+3T | 0.4 | 58% | 13% | 0.38 | 0.42 | 40dB |
| 4T+0.3V +4TL (XDTB0159) +0.76P+3T | 0.4 | 43% | 19% | 0.32 | 0.34 | 40dB |
LandVac Enhance is available in a wide variety of shapes. Here are just a few examples to inspire your project:
Width to Height maximum ratio 1:6 for 8.3mm. Bigger than that and it will be 10.3mm
CAD drawings must be supplied for any shape orders.
General Criteria and Specification Notes
Maximum Unit Size 1450mm x 2480mm
Minimum Unit Size 190mm x 230mm.
All LandVac Glass is toughened and has been certified to BS12150-1.
U-value certified using hot box testing at IFT Rosenheim on 9.3 unit.
LandVac Enhance glazing is an ideal solution for heritage projects and buildings located in conservation areas as it eliminates the double reflection that makes standard double glazing unsuitable. This feature also addresses planning permission issues that arise from this visual disturbance.
The unit has low sightlines and no evacuation plugs, so it fits neatly into most existing rebates with minimal work.
Compared to slim double glazing, LandVac heritage glazing is significantly thinner, making it easier to install without deepening rebates. It also comes with a 15 year warranty and an expected service life far beyond that, completely the opposite of the high maintenance and replacement requirements of slim double glazing.
Additionally, its insulating properties are far superior, resulting in significant energy savings and a reduction in carbon emissions. This makes it an excellent choice for both new construction and retrofitting projects, allowing property owners to enhance the energy efficiency of their buildings without compromising their heritage or aesthetics.
