Get a Quote
NBS Icon Specify on NBS
Enhance vacuum glazing
LandVac Enhance Vacuum Glazing:

Preserving the Past, Advancing the Future.

A high-performance, heritage-friendly solution for reglazing existing windows and doors in conservation areas across Europe. Combining ultra-thin vacuum insulation with historical authenticity, LandVac Enhance offers a lasting upgrade without compromising architectural integrity.

Find Out More

Innovative Glass for Heritage Windows

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.

Get a Quote
LandVac heritage Vacuum Glazing Cross Section
The Look of Single Glazing, the Efficiency of Triple Glazing

Advantages of LandVac Enhance Glazing for Window Renovation

LandVac Enhance is the ideal solution for heritage buildings and conservation areas across Europe. With cutting-edge vacuum technology, it overcomes the challenges of traditional glazing while maintaining historical authenticity. 

Key Benefits:

  • Authentic Appearance – Maintains the look of traditional single glazing while delivering modern performance.
  • No Double Reflection – Eliminates the issue associated with standard double glazing, helping with planning approvals.
  • Discreet & Reliable Design – No evacuation plug and a linear getter positioned near the unit perimeter for a clean, unobtrusive finish.
  • Easy Installation & Maintenance – More practical and durable than slim double glazing.
  • Superior Insulation – Exceptional thermal performance for year-round energy efficiency.
  • Lower Carbon Footprint – Reduces energy consumption and emissions, supporting sustainability goals.
  • Toughened as Standard – No need for additional safety films, preserving the original aesthetic.
  • Enhanced Acoustic Control – Industry-leading 39dB sound reduction for quieter interiors. 

With LandVac Enhance, property owners can improve energy efficiency without compromising architectural integrity. 

Perfect for Heritage Restoration Projects and Conservation Areas

VACUUM GLASS vs SLIM DOUBLE GLAZING

LandVac Enhance outperforms slim double glazing, making it the ideal choice for heritage projects across Europe. It offers: 

  • Superior Thermal Efficiency – Advanced vacuum insulation significantly reduces heat loss.
  • Exceptional Noise Reduction – Industry-leading 39dB acoustic performance for quieter interiors.
  • Enhanced Clarity – High light transmission without double reflection.
  • Ultra-Slim Profile – Ideal for heritage windows where space is limited.
  • Extended Durability – A longer lifespan compared to traditional slim double 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

Data Table

Download a PDF of this data

Download

Standard Low E Coating (S1.10)

Configuration U-Value (W/m²K) Visible Light Transmittance SHGC (g-value) Weighted Sound Reduction Index
4TL+0.3V+4T 0.4 76% 0.58 36dB
5TL+0.3V+5T 0.4 75% 0.58 37dB
6TL+0.3V+6T 0.4 74% 0.58 39dB

Premium Low E Coating (D80)

Configuration U-Value (W/m²K) Visible Light Transmittance SHGC (g-value) Weighted Sound Reduction Index
4TL+0.3V+4T 0.4 70% 0.40 36dB
5TL+0.3V+5T 0.4 69% 0.39 37dB
6TL+0.3V+6T 0.4 68% 0.39 39dB

Solar Control Coating (XDTB0159)

Configuration U-Value (W/m²K) Visible Light Transmittance SHGC (g-value) Weighted Sound Reduction Index
4TL+0.3V+4T 0.4 53% 0.33 36dB

Ultraclear Unit (S1.10)

Configuration U-Value (W/m²K) Visible Light Transmittance SHGC (g-value) Weighted Sound Reduction Index
4TL+0.3V+4TUC 0.4 83% 0.68 36dB
Speed up your project development - specify LandVac on NBS Source

Shapes

LandVac Enhance is available in a wide variety of shapes. Here are just a few examples to inspire your project:

LandVac Vacuum Glazing profile shape
LandVac Vacuum Glazing profile shape
LandVac Vacuum Glazing profile shape
LandVac Vacuum Glazing profile shape
LandVac Vacuum Glazing profile shape
LandVac Vacuum Glazing profile shape
LandVac Vacuum Glazing profile shape
LandVac Vacuum Glazing profile shape

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.

Get a Quote

Get a quotation or find a distributor in your area.

The Ideal Choice for Reglazing in Heritage and Conservation Projects 

LandVac Enhance glazing is the perfect solution for heritage buildings and properties in conservation areas across Europe. It removes the visual disruption caused by double reflection, a common issue with traditional double glazing, and helps navigate planning permission challenges. 

With its low sightlines and no evacuation plugs, LandVac Enhance fits seamlessly into existing window frames with minimal adjustments, preserving the original structure. 

Templeton House
Vacuum glazing in a heritage style window
Vacuum glazing installed in herigate windows
Georgian sash windows