Thermal insulation is measured by U-values. The lower the U-value the better the insulation. Fineo vacuum glazing has a U-value better than a 36mm triple glazed unit and is 8 times better than single glazing. Fineo has a market leading 20 year warranty with a lifespan of 60+ years.
Fineo vacuum glazing is the perfect solution for homeowners of older properties
- Repair Cold & Draughty Sash Windows
- Reduce Unwanted External Noise
- Help Stop Internal Condensation


Replace single glazing with Fineo vacuum glazing for the warmth of triple glazing
The best glazing solution for listed buildings and period homes
A challenge homeowners face is improving the energy efficiency of their home whilst maintaining its historic integrity and aesthetics. This can be a difficult balance to achieve, especially when it comes to listed buildings. Fineo has the latest glazing technology to make this possible.
Perfect for heritage projects and conservation areas
Fineo vacuum glass is ideal to retrofit into existing timber frames due to its slim profile and excellent thermal insulation. Fineo is the most cost-effective solution for renovation and restoration projects, particularly for historic Georgian, Victorian or Edwardian homes.
How does Fineo compare with other types of glazing?
Single Glazing | Slim Double Glazing | Double Glazing | Triple Glazing | FINEO | |
Thickness | 4mm | 11mm | 28mm | 36mm | 7.7mm |
U-value W/m2K | 5.8 | 1.9 | 1.2 | 0.8 | 0.7 |
Light Transmission | 90 | 80 | 80 | 71 | 80 |
Sound Reduction Rw (C;Ctr) dB | 29 (-2; -3) | 31 (-2; -5) | 31 (-2; -5) | 32 (-1; -5) | 35 (-2; -5) |
Solar G-value | 0.87 | 0.71 | 0.71 | 0.61 | 0.62 |
Turn your windows into radiators and stop heat escaping with Fineo vacuum glazing
Retrofitting Fineo into your existing timber-framed windows will transform them into invisible radiators by keeping heat in and cold out, no matter what the temperature is outside.
Not only will your home be warmer and more comfortable – but your heating bills will be reduced. Good for your pocket and the environment.