UK Suppliers Of Roto Alu T540 Additional Stay Arm Set

The Roto Alu T540 Additional Stay Arm Set is a high-performance hardware solution designed to provide essential support and stability for oversized aluminium windows. Specifically engineered for large-scale tilt and turn sashes, this stay arm is a mandatory requirement for windows exceeding 1300mm in width to ensure smooth operation and prevent sash sagging over time. This versatile set is also commonly used as a stay arm on the vertical sides of bottom-hung (hopper) windows, providing the necessary tension and controlled opening required for heavy aluminium frames. Built to handle a maximum sash weight of up to 100kg, it is an ideal choice for both professional window repairs and new high-specification installations. Features Restrictor stay arm used on wide tilt & turn sashes (usually over 1300mm in width) Also used as stay arms on the vertical sides of bottom-hung windows For aluminium doors and windows with 21/22mm groove width Includes frame and sash components with connecting arm Maximum sash weight is 100kg High-quality zinc-plated steel and aluminium construction for corrosion resistance Compatible with the Roto Alu T540 hardware system FAQs When do I need to use an additional stay arm?

An additional stay arm is typically required for any aluminium tilt and turn window where the sash width exceeds 1300mm. It helps distribute the weight of the glass more evenly across the hardware, preventing the window from catching on the frame. Can this be used on uPVC windows? No, this specific set is designed for aluminium profiles with a 21mm or 22mm groove width. uPVC windows typically use different gearing systems like the Roto NT or NX ranges. What is the maximum weight this stay arm can support? The Roto Alu T540 Additional Stay Arm is rated for a maximum sash weight of 100kg, making it suitable for heavy-duty commercial and residential glazing. How do I know if I have the Roto T540 system? You can often find the Roto logo and system name stamped onto the existing metal drive gears or corner drives. The T540 system is specifically designed for aluminium frames with a face-fix or clamp-on application. Does this set include the fixing screws? This set includes the main mechanical components (sash part, frame part, and arm). Depending on your specific aluminium profile, you may need to reuse your existing fixings or source specific M5 screws. Share on Twitter Share on Facebook Pin this product Share via email