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Up to 80% of energy loss through a window occurs at its edge

Innovation in Energy Efficient Components for Glazing Units

Reduce Energy Bills with High Performance Glazing Units

Reduce Heat Loss by up to 94% at the Window Edge

A High Performance Thermobar Unit

The below image shows a superior technology Thermobar insulated glass sealed unit designed to minimise energy loss through your windows.

It is a high performance glazing unit that has been designed with an emphasis on achieving gas-tight and structurally sound glazing incorporating warm edge technology. Triple and even quadruple glazing systems are also available.

All components in a high performance Thermobar warm edge insulated glass sealed unit are to be extensively tested and comply with Euro Norm (EN) 1279 Part 2 and 3.

Thermobar Warm Edge Spacer Tube

Used to hold glass apart within a sealed unit, spacer tube helps to maintain its structural integrity. Thermobar is a rigid warm edge tube which is made from high performance engineering plastic with a gas diffusion barrier to minimise gas loss from the surface area of the spacer bar. A Thermoflex flexible foam warm edge spacer is also available.

The composition of Thermobar ensures that it is structurally sound while helping to reduce the heat loss at the edge of the glazing unit. Thermobar is a Passive House approved component which achieves a phA and phA+ (with Hot Melt) rating for Arctic Climate Zones and all other climate regions with lower requirements. It is also highest rated in Passive House Hygiene requirements.  It achieves best thermal values as certified by Bundesverband Flachglas Association Data Sheets.

Thermobar is the preferred choice for most sealed unit manufacturers in the UK due to its performance, manufacturability, and aesthetics.  It can be used for manual assembly or on automated machinery for cut-and-corner-key frames or on a variety of bending machines. It comes in standard colours: black, grey and white.  Additional colours are available to order.

For more information on warm edge spacer and the advantages of Thermobar Warm Edge spacer for insulated glass sealed unit manufacturers, architects and specifiers, and window installers and fabricators visit: thermobarwarmedge.com or click on the dropdown menu further down this page to visit one of the multilingual versions of this site.

In order to achieve Georgian or Victorian window designs, Decorative grilles can be secured to ‘standard Georgian fittings’. For the multipane window effect, bespoke Duplex fittings and Interbar/Muntin bar is also available to complement our warm edge spacers, although we do also supply Aluminium versions.  Please note that, warm edge versions are the more energy efficient option which is currently important in Europe where U-value penalties are applied to windows fitted with an internal framework.  It is likely that similar penalties will apply in the UK in the future. 

Pure 3A Desiccant

Thermobar is a hollow tube system which means that it can be filled with pure 3A desiccant. This ensures a definitive volume of desiccant in every sealed unit. The sole function of the desiccant or molecular sieve is to absorb any moisture in the airspace and keep the window from misting up in the air space between the surfaces of the glass.

Low-e coated glass

Low-e glass stands for low emissivity glass. This glass differs from normal float glass in that one side of the glass has a special metal coating, technically known as a low emissivity, or Low-e coating. All energy efficient windows must contain a low-e glass, so insist on it!

Primary Sealants

The dual sealing system makes up for approximately 90% of the European insulated glass market.

The primary seal serves as a handling aid and as a barrier preventing the ingress of moisture and the loss of energy saving inert gases.

Secondary Sealants

Edge sealants bond to the spacer bar and seal the edge of the sealed unit from moisture ingress and protect the unit from gases passing out of and into the internal unit construction. Options include: Hot Melt, Polysulfide, Silicone and Polyurethane.

Gas Filling

The airspace between the glass panes is filled with an inert gas such as Argon. Units filled with an inert gas must meet the requirements to pass EN1279 part 3 standards for gas loss. Thermobar High Performance units are designed with gas-tight properties to meet these standards.

Would you like to know more?

Thermoseal Group

Our business is dedicated to the manufacture and supply of highest performance components and machinery used in the manufacture of insulated glass. Our particular focus Is on the development of components designed to help meet the changing requirements for more thermally efficient windows. We are a multiple award-winning organisation with almost 40 years in the industry.

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