LandVac Protect Vacuum Glazing
Enhancing Security While Preserving Heritage.
An innovative, eco-friendly solution designed for high-security heritage windows and doors. LandVac Protect combines advanced glazing technology with robust protection, offering peace of mind without compromising historical accuracy.
LandVac Protect Security Glazing
Heritage Glass for High-Security Windows
For years, security glazing meant choosing bulky double or triple glazing that disrupted the authentic aesthetic of heritage windows. But now, there's a solution that offers both security and historical accuracy.

The Look of Single Glazing with Security and Protection
Advantages of LandVac Protect Glazing for High-Security Heritage and New Build Windows
LandVac Protect offers a range of benefits for heritage projects and buildings in conservation areas across Europe. Its advanced design addresses the limitations of traditional glazing, providing a superior, secure, and energy-efficient solution. Ideal for both new builds and retrofitting, it combines cutting-edge protection with historical accuracy.
Key Benefits:
- Authentic Appearance – Maintains the look of traditional glazing with no double reflection.
- Energy Efficiency – Centre pane U-value of 0.4 W/m²K, ensuring superior insulation and reducing energy consumption.
- Security Performance – Building Regs comliant, achieving P1A grade protection against forced entry.
- Durable Design – Neat, robust metallic edge seal for long-lasting performance and protection.
- Exceptional Acoustic Performance – 40dB noise reduction for quieter, more comfortable interiors.
- Sustainability – Contributes to carbon reduction with excellent thermal insulation and energy efficiency.
- Flexible Installation – Ideal for both new construction and retrofitting heritage windows.
- Slim Profile – At just 13.1mm thick, it fits easily into existing frames without compromising on performance.
LandVac Protect allows property owners to upgrade the energy efficiency and security of their buildings while preserving their architectural heritage.

Perfect for Vulnerable Restoration Projects and Conservation Areas
Vacuum Glass vs. Traditional Glazing
LandVac Protect 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 40dB acoustic performance for quieter interiors.
- Enhanced Clarity – High light transmission without double reflection.
- Ultra-Slim Profile – Ideal for heritage windows where security is a priority.
- Extended Durability – A longer lifespan compared to traditional slim double glazing.
Single Glazing | Slim Double Gazing | LandVac Enhance | |
Overall Thickness | 4mm | 11 - 16mm | 13.1mm |
---|---|---|---|
U-Value | 5.8 | 1.2 - 1.9 | 0.4 |
Acoustic Reduction (RW) | 25dB | 31dB | 40dB |
Estimated Lifespan | 25+ years | 1 - 10 years | 25+ years |
Performance Metrics for Various Glazing Configurations
Configuration | U-Value (W/m²K) | Visible Light Transmittance | SHGC (g-value) | Weighted Sound Reduction Index |
---|---|---|---|---|
4TL+0.3V+4T(S1.10)+0.76P+4T | 0.4 | 68% | 0.55 | 40dB |
4TL+0.3V+4T(D80)+0.76P+4T | 0.4 | 58% | 0.38 | 40dB |
4TL+0.3V+4T (Solar Control) +0.76P+4T | 0.4 | 43% | 0.32 | 40dB |
4TL+0.3V+4T (Ultra Clear) +0.76P+4T | 0.4 | 75% | 0.65 | 40dB |
Shapes
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 Protect Glazing:
The Perfect Solution for High-Security Heritage Windows
LandVac Protect is the ultimate choice for high-security heritage windows across Europe. Designed to meet the demands of modern security while preserving the historical integrity of buildings, it combines advanced glazing technology with reliable protection.
With its P1A laminate performance, LandVac Protect provides a secure solution without compromising the traditional appearance of heritage windows. Its slim profile fits seamlessly into existing frames, requiring minimal alterations during installation.
Compared to traditional double glazing, LandVac Protect offers superior insulation, significantly reducing energy consumption and improving thermal performance. Its robust, long-lasting design ensures durability, with a lifespan that far exceeds conventional glazing options.
LandVac Protect is the ideal choice for both new builds and retrofitting projects, allowing property owners to improve the security, energy efficiency, and aesthetic value of their properties while maintaining compliance with European building regulations.
Thermal Performance
Steel
Steel single glazed (5.46W/m2K)
Steel LV Enhance S1.10 (1.88W/m2K)
Timber
Timber single glazed (4.41W/m2K)
Timber LV Enhance S1.10 (1.14W/m2K)