The high-performance C70S window system boasts clever design features for simpler fabrication and faster installation.
Slim sightlines combined with class-leading wind and water tightness make it a smart choice for all residential, commercial and city centre projects.
Clip-together assembly of Sub sill, frame extenders, Z adapter, and EPDM carrier closer profile
Utilise shared parts to improve stockholding
Mechanical or crimped – work with your preferred choice and build faster
With reversible rebates - glaze internally or externally with adaptors – ideal for high rise projects
Available in stock on a 5-day lead time in white, grey, and black, and dual-colours
Fabrication video guides are available for the C70S Open-In/TBT and Open-Out windows. Contact your local Area Sales Manager to receive a digital copy.
The AluK Academy offers a wide range of courses designed to give you the knowledge, necessary skills and expertise needed to fabricate and install our aluminium systems.
Covering everything from theory and software training to regulations awareness and practical work, each course is designed to give you well-rounded insight into AluK products and the industry as a whole.
Book your place on the C70S Fabrication Training Workshop.View our 58BW workshop dates
+44(0) 1291 639 739
With a team of 180 dedicated staff and factory space over 350,000 sq ft in size, we engineer the finest, tailored aluminium façade systems of windows, doors and curtain walling. Our expertise covers both commercial and residential, new-build and refurbishment projects, providing you with systems that deliver industry-leading style, performance and reliability.Find out more about AluK