Vertical Sliding Windows More and more homeowners and developers are choosing the Vertical Sliding Sash as the ideal uPVC window in classical or heritage settings. Its sliding sash styling closely replicates the look of the traditional sash window but incorporates all the energy efficiency and benefits from a uPVC frame. The VEKA vertical sliding sash can help you recreate the look and feel of the original timber sash. Whether you’re working with the local authorities to recreate a traditional look in a conservation area or simply just looking for a classical look, these are an ideal window choice. The vertical sliding window is the fastest-growing alternative choice of uPVC window style, giving your customers all the benefits of highly advanced materials and mechanisms combined with a timeless classic window style. The sliding sash styling closely replicates the look of the Georgian & Regency windows with a modern and energy-efficient uPVC frame and mechanisms while offering sash horns and deeper bottom rails as options. We now also offer Mechanically jointed Vertical Sliding Windows. Security is a major consideration in the selection of any new windows and doors. Our vertical sliding sash windows are designed with security in mind and can be supplied to the coveted Secured by Design (SBD) standard. Our vertical sliding windows are available in a fantastic range of laminated profiles to offer individual solutions and suit all tastes. Foils can be applied to one side or two and different colours can even be specified for the inside and out. With enhanced energy efficiency our Vertical sliding windows achieve an A+ Window Energy Rating (WER).