When there are stringent demands on security, ease of use and durability, our all-rounder in the higher-end aluminium sector, the Roto AL 540, is the first choice. This high-quality hardware system is designed in line with the modular principle and can be realised for almost any type and size of window, as well as for all opening types: Tilt&Turn, Turn-Only, Tilt-Only or dummy mullion sashes and Tilt-First. Suitable for - Turn-Only / Tilt&Turn windows with aluminium as the frame material High segment - Sash weights up to 130 kg on all sash variants - Sash weights up to 160 kg on Turn-Only, Tilt&Turn and TiltFirst sashes - Sash weights up to 200 kg on Tilt&Turn sashes - Sash weights up to 300 kg on Turn-Only sashes - Special aluminium solutions with Roto Object Business