Perfect for listed buildings, conservation properties & refurbishment projects

Modern solutions to historical problems

Compared to single glazing, Fineo provides substantial improvements to energy efficiency with an impressive U-value of 0.7 W/M2k. Fineo’s ultra-thin profile (6.7mm) is perfect for retrofitting into existing sash windows – so the original historical frames are maintained.

Fineo Comparison

Easily retrofitted into all timber sash window styles


The Acoustic range offers improved soundproofing for slim vacuum-insulating glazing.

→ View the Acoustic datasheet.


The Heritage range offers the authentic replication of the original heritage glazing in historic buildings.

→ View the Heritage datasheet.


Both elegant and sleek, the Safety range also offers protection against personal injury.

→ View the Safety datasheet.

The Solar Control range ensures a comfortable indoor temperature all year round.

→ View the Solar Control datasheet.

fineo hybrid

FINEO Hybrid is when FINEO is used as one pane of a double glazing unit.

→ View the Hybrid datasheet.


FINEO insulates as effectively as triple glazing when installed into existing window frames.

→ View the Fineo Datasheet.


Fineo standards are ensured by reports, certified by an independent institute.

→ View the Declaration of Conformity.


Outlined below is the Test Certification for Fineo U-values, all to EN standard.

→ View the U-Value Test Certification.


Outlined below is the ETA 20-0048 Certification.

→ View ETA 20-0048 Certification

Better thermal and acoustic insulation

With its exceptional thermal and acoustic insulation properties, Fineo provides substantial improvements to energy efficiency and indoor comfort. Fineo does not require an evacuation port and does not contain any inert gases. Fineo comes with a 15 years guarantee.

Fineo Detail

Comparison With Slim Double Glazing

Light And Energy Performance

Acoustic Attenuation Performance


Fineo is perfect for heritage projects

Fineo comes with the option of the addition of Heritage glass. This resembles the historical window glass manufactured at the turn of the century. Its minimal thickness makes it easy to install in historical window frames and fittings. The second video below illustrates the replication of the original glazing materials.

Get in touch to find out more