Unsurprisingly, the cost-effective and energy efficient KF 310 is the most popular window system in Internorm Windows UK range for commercial, as well as domestic use. Combining proven Internorm technology with superior thermal insulation and sound reduction values, this system is available as uPVC as well as uPVC/Aluminium externally clad in a selection of design styles and large range of colours to suit every project.
The KF 310 is also offered as a balcony and patio door and our increasingly popular French/Juliette balcony system which can include a factory fitted glass balustrade.