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Innovation In Energy Efficient Components for Glazing Units

A superior technology designed to minimise energy loss through your windows

Warm Edge Technology
About Us

Our British Brands are now Globally Recognised

From inception to perfection, we manufacture over 50% of the products we supply

Warm Edge Technology
About Us

Supplying the largest volume of Spacer Bars to the UK market

Warm Edge, Aluminium and Steel Spacers for Manufacturing Superior Glazing Units

Spacer Bars & Accessories
About Us

DecraLed®, DecraGlow® and DecraBevels®

Are famous worldwide to bring windows, doors and conservatories to life

Lead, Bevels Film & More
Decorative Products

Offering everything for High Performance Glazing except for the glass

From inception to perfection, we manufacture over 50% of the products we supply

Our Products
About Us

Welcome to Thermoseal Group

Thermoseal Group Limited is the largest UK specialist insulated glass (IG) component manufacturer and distributor supplying over 2,500 components and a wide range of Thermoseal Group Equipment (TGE) for manufacturing IG sealed units (IG sealed units are sometimes referred to as ‘Dual Pane Glass’ – double glazing, triple glazing or quadruple glazing). We manufacture over 50% of the components we supply to a worldwide customer base.

Components Required To Make A Sealed Unit
How To Make A Sealed Unit
Calculate Your Sealed Unit Material & Labour Costs
Our Products

Our Products

Thermoseal Group is the one-stop-shop for IG sealed unit components including some of our own highest performance industry-leading brands:

Insulated
Glass Components

Offering one the widest range of components and equipment used in the manufacture of IG sealed units


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Decorative
Range

Help to achieve a truly authentic stained glass effect at a fraction of the time and cost


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Warm Edge
Technology

A superior technology warm edge range designed to help minimise energy loss through your windows


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Our Product Range

Thermoseal Group is the one-stop-shop for insulated glass (IG) sealed unit components. We sell a variety of our own industry-leading brands including:

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Spacer Bars & Accessories
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Sealants for Insulated Glass
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Molecular Sieve Desiccants
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Georgian & Victorian Systems
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Forthcoming Events

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26
JUNE
The Big 5 Construct Ethiopia 2025
19
NOVEMBER
MADE Expo 2025

Thermoseal Group

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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.

Latest News

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Thermoseal Group Sold to Fenzi in Landmark Deal
Date Added 03/07/24

Thermoseal Group has been acquired by Fenzi Group Spa (Fenzi), a Milan-based chemical company specialising in glass processing solutions, in a deal... > More

Downloads

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