Single Coated
BENGglas Single Coated combines the color-neutral appearance of double glazing with a superior insulation value of 0.40 (U). This allows you to save significantly on your energy bill and enjoy a comfortable indoor climate all year round!
- Maximum insulation (U=0.40)
- Color-neutral vacuum glass
- Fits into existing frames
- U-value tested by IFT Rosenheim (2025)
Differences at a glance
| BENGglas | Double glazing | Triple glazing | |
|---|---|---|---|
|
U-value (W/m²K) |
>0,35 | 1,10 | 0,70 |
|
Thickness from (mm) |
8,3 | 21 | 38 |
| Fits existing window frames | Yes | Sometimes | No |
| Tempered | Standard EN3569 | Optional | Optional |
|
Light Transmission (LTA in %) |
> 83 | 80 | 65 |
|
Solar Heat Gain (G-value) |
>0,33 | 0,76 | 0,52 |
|
Sound Insulation Rw (C;Ctr) dB |
36 (–2; –3) to –42 dB for the laminated variant | 31 (-1;-4) | 33 (-2;-6) |
| Insulation degradation at horizontal tilt (%) | 0 | 60 | 40 |
| Expected lifespan (years) | 50 | 20 - 25 | 30 |
| U-value degradation over time? | No | Yes | Yes |
| BENGglas Extra clear | BENGglas Single Coated | BENGglas Double Coated | BENGglas Triple Coated | BENGglas Monu | BENGglas Monu Restover | |
|---|---|---|---|---|---|---|
|
U-value (W/m²K) |
0,50 | 0,40 | 0,40 | 0,35 | 0,50 | 0,50 |
| Thickness from (mm) | 8,3 | 8,3 | 8,3 | 8,3 | 8,3 | 13,06 |
| Light Transmission (LTA %) | 83 | 78 | 70 | 68 | 83 | 83 |
| Solar Heat Gain (G) | 0,68 | 0,58 | 0,39 | 0,33 | 0,68 | 0,68 |
| Sound Insulation Rw (C;Ctr) dB | 36 (-2;-3) | 36 (-2;-3) | 36 (-2;-3) | 36 (-2;-3) | 36 | 39 |
| Properties |
Extra clear Extra thermal Extra light |
Clear Color-neutral glass |
Solar control glass |
Best U-value Extra solar control Commercial buildling |
Heritage glass (light drawn) | Heritage glass (strongly drawn) |
Find a certified installer
BENGglas has an extensive network of over 150 certified installers across Europe, specializing in vacuum glass installations. This way, you’re always assured of a professional close to home! Want to get the best deal easily? Fill out our quote form and receive three competitive offers from the three nearest BENGglas dealers in your area!
References
Are you curious about where vacuum glass is already being used? Check out our references and discover how BENGglas is applied in various projects – from monumental buildings and protected heritage to sustainable new constructions, canal houses, and modern offices.
In this way, we help, pane by pane, to create energy-efficient buildings with less CO₂ emissions.
BENGglas in ‘The Art of Living’ with the sustainability of a 100-year-old building
Sustainability of modern office building
Villa renovated with BENG glass
Frequently asked questions
How do I request a vacuum glass quote?
At BENGglas, we understand that you don't want to spend a long time getting an honest price comparison.
By filling out our quote form , you will immediately receive three quotes from three authorized dealers in your area. These quotes include both delivery and installation of the vacuum glass.
Would you still prefer to decide yourself from whom you get a quote? That's easy, too.
Useour Dealer Finder byentering your zip code. You will then immediately get an overview of BENG glass dealers in your area, including their contact details and their own page with a quotation form. If desired, additional work, such as painting, can also be included. In this way, our dealers always offer a complete total solution.
All BENG glass dealers have sample windows, so you can view the glass and make an informed choice. You are also welcome to visit our showroom by appointment to experience the possibilities in person.
Is there no dealer near you? Then ask your local glazier to contact BENGglas at info@bengproducts.nl.
What are the benefits of vacuum glass?
Vacuum glass is no ordinary insulating glass - it is a smart and future-proof solution for sustainable construction. Compared to standard insulation glass, BENG glass offers benefits that directly improve your home as well as help the climate.
- Superior insulation
With a U-value starting at 0.35 W/m²K, BENG glass is two times better than triple glazing (0.70) and three times better than HR++ glass (1.10). This ensures less heat loss, lower heating costs and a comfortable home. - No loss of insulation in slope
Many insulation glasses lose up to 60% of their performance when installed at an angle. BENG glass continues to perform. - Up to twice the lifespan
Whereas traditional glass lasts an average of 25 years, BENG glass lasts up to 50 years. Producing it once means less CO₂ and half a century of benefit. - Strong noise reduction
From 36 dB to 42 dB, well above HR++ (31 dB) and triple glazing (33 dB). As a result, you live more quietly and peacefully. Ideal for homes or properties on busy roads. - More comfort all year round
Cool in summer, warm in winter - without draughts or cold spots. - No condensation on the inside
The unique edge seal completely prevents interior condensation. - Fits into existing window frames
With only 8.3 mm thickness, BENG glass almost always fits into existing window frames. This makes renovations easier and avoids unnecessary use of materials. - A true climate hero
If the entire Netherlands switches to BENG glass, we save up to 4.1 megatons of CO₂ annually - comparable to 170,000 car trips from Amsterdam to Paris.
The production of BENG glass itself will also save 24,000 tons of CO₂ per year, thanks to production using green energy, 30% less material usage than with triple glazing, up to twice the lifespan and high insulation. - A smart investment in the future
A U-value that insulates up to 2x better and that for as much as 50 years. Combine that with an improved energy label and a higher home value and you have your costs back immediately!
Why is vacuum glass a smart investment?
Because you don't just buy glass, but a future-proof solution that really saves money and energy. BENG glass has an insulation value from 0.35 W/m²K - that is 2x better than triple glass (0.70) and even 3x better than HR++ glass (1.1). Less heat loss immediately means lower heating costs. It also means a better energy label and thus a higher home value. The effective payback time is often 0 years.
But that's not all. BENG glass lasts up to 50 years, while standard glass needs to be replaced after 25 years on average. Invest once, and you're set for two generations. That means less maintenance, less replacement, and thus lower overall costs.
The environment also benefits: if the entire Netherlands switches to BENG glass, we save as much as 4.1 megatons of CO₂ annually - comparable to 170,000 car trips from Amsterdam to Paris. Less CO₂ emissions and a lower energy bill: that's what we call an investment that pays for itself.
In short: with BENG glass you invest in sustainability, comfort and financial savings. Smart, right?
Can I become a BENG glass dealer?
Thank you for your interest!
We are always looking for enthusiastic professionals who are just as much a fan of top quality and sustainable insulation glass as we are. But you don't become a BENG glass dealer overnight. Because we stand for quality, service and craftsmanship, we deliberately choose a carefully selected dealer network.
Would you like to become part of our network?
Then send an email to info@bengproducts.nl and tell us who you are, what you do and why you think BENGglas is a good fit for your business. We will then contact you soon to discuss the possibilities.
Good to know:
As a dealer you get access to our sample windows, plenty of marketing support, technical support and you will be included in our online dealer map so customers know how to find you easily.
We look forward to hearing from you!
BENGglas Extra Clear
BENGglas Extra Clear is the clearest product in our range—almost as transparent as single glazing, yet with an impressive U‑value of 0.50. Ideal for anyone looking to maximize energy savings while enjoying extra natural daylight and free solar heat
- Top insulation (U=0.50)
- Fits in the existing frames
- Extra clear vacuum glass
- Extra light and solar heat (LTA=83, G=0.68)
- U-value tested by IFT Rosenheim (2025)
BENGglas Single Coated
BENGglas Single Coated combines the color-neutral appearance of double glazing with a superior insulation value of 0.40 (U).
- Maximum insulation (U=0.40)
- Color-neutral vacuum glass
- Natural light incidence (LTA=78%)
- Fits in the existing frames
- U-value tested by IFT Rosenheim (2025)
BENGglas Double Coated
BENGglas Double Coated keeps the heat inside with the high insulation value of 0.40 (U). At the same time, a smart solar control coating ensures that the sun's heat stays outside. This way, you always enjoy a cool and comfortable home — and an energy bill that remains low, even on the hottest and coldest days.
- Solar control glass (G=0.39)
- Maximum insulation (U=0.40)
- Fits in the existing frames
- U-value tested by IFT Rosenheim (2025)
BENGglas Triple Coated
BENGglas Triple Coated offers maximum sun protection and the best insulation value in the world: U=0.35! For those who want maximum energy efficiency and sun protection in commercial construction.
- The best insulation value worldwide (U=0.35)
- Highly sun-shielding glass (G=0.33)
- Fits in the existing frames
- U-value tested by IFT Rosenheim (2025)
BENGglas Monu
BENGglas Monu combines extra clear glass with the insulation power of vacuum glass (U=0.50). Thanks to the small thickness of only 8.3 mm and the subtly wavy surface, it is the solution for monuments where the original frames must be preserved.
- Top insulation (U=0.50)
- Extra clear vacuum glass
- Extra light and solar warmth (LTA=83, G=0.68)
- Fits in the existing frames
- The best choice for monumental renovations
- U-value tested by IFT Rosenheim (2025)
BENGglas Monu Restover
BENGglas Monu Restover combines monument glass (Restover) with the insulating power of vacuum glass (U=0.50). The characteristic strong curvature in monument glass retains the authentic appearance that is so typical of historic buildings. For the first time, there is a glass solution that preserves heritage sustainably.
- Top insulation (U=0.50)
- Extra clear vacuum glass
- For extra daylight and solar warmth (LTA=83%, G=0.68)
- Laminated glass: 13.06 mm
- Monument glass: strongly wavy surface (Restover glass)
- U-value tested by IFT Rosenheim (2025)
BENGglas Sun
With BENGglas SUN, you not only save on your energy costs thanks to the extremely low U-value of 0.50 – you also generate your own energy! Thanks to the integrated solar cells, this glass is ideal for facades and roof glazing in sunny locations.
- Top insulation (U=0.50)
- Generating energy (Up to 140 Wp/m²)
- No degradation of the U-value with horizontal placement
- Lightweight and slim (> 14 mm)
- U-value tested by IFT Rosenheim (2025)
BENGglas Solar Control
BENGglas Solar Control offers the best sun protection within the BENGglas range – with an impressively low G-value of 0.29. Ideal for commercial buildings where you want to keep solar heat out and achieve maximum energy efficiency.
- Top insulation (U=0.50)
- Maximum sun protection (G=0.29)
- Fits in the existing frames
- U-value tested by TÜV Rheinland (2025)