Stylish, secure, and energy-efficient, Alitherm 400 offers great value with high-performance windows and single or double door options.
Alitherm 400 offers great value and quality, with modern, secure windows and doors that look good and help keep your home warm and energy-efficient.
Outer face of the sash is flush with the window frame.
Outer face of the sash has a lip that overlaps the outside edge of the window frame.
Interior and exterior faces of the sash have been designed with a stepped profile to replicate the design of the traditional steel windows.
Outstanding thermal performance with a U-Value of 1.4 and WER Rating of A+
Unrivalled choice of colours, including metallic, textured finishes and dual colour
Enhanced multi-locking security system (approved to PAS:23 2022)
Huge range of ironmongery, including Heritage and Art-Deco options
Fully compliant with Part L of the Building Regulations
Please call us on 0208 977 4627 or complete the form below.
We're always happy to discuss your timber window and door needs. Whether you're looking for advice, a detailed quote, or simply want more information about our services, our friendly team is here to help.
