Product Information

Dualframe 75 SI

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The Dualframe 75 Si Casement aluminium window uses advanced polyamide thermal break technology to provide thermal performance without the need to resort to complex and costly sealed unit specification.

These excellent performance characteristics make the Dualframe 75 Si casement the ideal solution for today's residential projects.

The specialised profile range adds great flexibility when constructing windows where inward and outward-facing rebates have to be combined, without the need and expense of coupling sections or dummy frame to fixed lights. Universal frames can be used to create the most complex of screens easily combining casement, tilt before turn, and reversible opening lights, as well as inside and outside glazing. Combined with the option of having different finishes inside and out, the Si suite will give you endless choices.

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About us

Imagination fuels the world. Here at TECHNAL, it’s our motivation and what drives how we do things. It moves us forward, allowing us to both innovate and inspire.

Where other companies just see a window, we see an opportunity to utilise cutting-edge technology that benefits both the users and the environment.

We look to the future in everything we do.

Our Products & Service Include:

Aluminium Curtain Walling
Aluminium Windows
Aluminium Sliding Doors & Patios
Aluminium Doors
An Exclusive Handles Collection
2D & 3D Modelling Software

… And much more.

The TECHNAL brand was created by Hydro over 60 years ago and is a front-running international specialist in architectural aluminium facade systems.

We have made an undisputed name for ourselves in supplying contemporary and inspirational design solutions, building an impressive track-record of award-winning designs.

With our 30 years of experience working in the UK, our aluminium building solutions have been used to produce purpose-designed facades for varied areas of both business and residential constructions.

We understand of the needs of architects, contractors, developers, fabricators and occupants which allows us to create an inventive, technologically progressive and adjustable portfolio of products.