Casement Windows from Clarks Glass


Clarks Glass slim sightlined Aluminium windows avaialbe in any colour.

The Alitherm range of windows offers all you would expect from a quality system - Greater comfort, better insulation, minimal maintenance, an aesthetically pleasing appearance and enhanced security. In short, the Alitherm product range offers you peace of mind but even more it represents a sound investment in your property.

Whatever your taste or style of home, we can offer distinctive window designs to suit. Our unique style of windows are available in a choice of finishes and colours externally including luxurious mahogany and rich golden oak as well as a white finish internally.
Alitherm windows have been designed to reduce heat loss by the use of a thermally broken aluminium frame with a polyamide bridge. The polyamide material has a very high resistance to heat transfer from the inner face of a frame (i.e. inside a room) to the external face of a frame (i.e. outside). The thermally broken frames provide homeowners with windows and doors that have distinct advantages.

Strength and Durability

Are provided by the use of Aluminium sections which gives structurally sound windows for your peace of mind.

Warmth and Comfort

Are benefits enjoyed by homeowners because Alitherm windows are thermally efficient and contribute to a reduction in the cost of heating bills.

Elegant Slim Sightlines

Are features of the Alitherm windows which are enhanced by an Ovolo chamfered or square profile edge appearance. Additionally, homeowners have a dual colour option which means having a choice of finishes and colours externally and internally.



Not what your looking for? Why not try?...


PVC Casement Windows from Clarks Glass   Triple Glazed Windows from Clarks Glass   Vertical Sliding Windows from Clarks Glass   Aluminum Windows from Clarks Glass   Flush Sash Windows from Clarks Glass