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Designed & Manufactured In The UK

Free UK Delivery (Exclusions Apply*)

About Duplus
Established in 1957
UK Leader In Rooflights

Designing & Manufacturing Rooflights Since 1957

Duplus was established in 1957, designing, manufacturing and installing industry-leading domed and glass rooflights.

Throughout the decades we have continued to develop and improve our range of products. Our extensive knowledge, expertise and attention to quality have defined us as the market leader in rooflight technology and designs.

UK Made Rooflights By Our Expert Team In Leicester

Our factory and product experts are based in Leicester, ideally located for transporting our rooflights across the UK and beyond.

Additionally, being centrally positioned, this is also highly beneficial for customers looking for local collection or a pre-booked visits to our showroom. Plus, don’t forget we provide free delivery on rooflights across the UK.

Structural Silicone Glazing For Contemporary & High Performance Rooflights

Our structural silicone-glazed range of rooflights and roof lanterns, utilises the latest structural silicone glazing technology to bond the double or triple glazed unit to the rooflights aluminium frame. This results in a stylish, sleek and contemporary rooflight design.

In addition, windload, snowload and other impact loads are transferred from the glass to the framework through the structural silicone sealant. The silicone sealant maintains adhesive and cohesive integrity to the framework as it is subjected to these loads as well as thermal stresses throughout its life.



Heatsoaked Glass

Powder Coated

5m Maximum

10 Year

Easy To


Visit Our

Duplus is the only glass rooflight company in the UK to be certified Dow Corning Quality Bond Approved – the world class standard of structural silicone bonding. If you decide to purchase one of our rooflights, then you can rest assured that it has been manufactured to the highest quality standards set by this industry leader.

Our products have stood the test of time for both domestic and commercial applications. In addition to being featured within a vast amount of architecturally-designed properties, modern and traditional homes, we are also proud to be associated with many prestigious high-end projects such as Tate Modern and Savoy Hotel where our products have been used and where quality and reliability are paramount.

Get in touch with our highly experienced product experts who look forward to discussing your requirements:

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Give us a call0116 261 0710

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If you have a non-standard size, custom requirements or not quite ready to order, why not send our product experts a quick message?

We’ll endeavour to answer your query quickly!