Shaped Sash Lock for UPVC and Alloy Doors and Windows A compact, strong lock designed to secure sash windows and door sashes made from UPVC and alloy. Built for straightforward replacement or upgrade, this lock provides a reliable mechanical fastening with a slim profile that preserves the appearance of the frame. Key benefits Secure locking: Provides a firm mechanical hold for sash windows and door sashes, reducing unwanted opening and improving everyday security. Durable alloy construction: Corrosionresistant metal delivers longlasting performance and consistent operation under repeated use. Simple installation: Designed for quick fitting to standard UPVC and alloy frames, allowing fast replacement without complex adjustments. Lowprofile design: Slim shape keeps the lock discreet and suitable for residential and light commercial applications. Versatile compatibility: Works with common UPVC doors and alloy frames used for windows, patio doors, and balcony sashes. What it does Acts as the primary locking point for sliding or hung sashes, preventing movement when engaged. Replaces worn or damaged sash locks to restore reliable closing and latching action. Helps maintain alignment and consistent operation of window and door sashes. Important attributes Function: Mechanical sash lock for windows and door sashes. Compatibility: Designed to fit UPVC doors and alloy frames. Material: Alloy construction for durability and consistent performance. Performance: Strong holding force with reliable repeated operation. Installation: Intended for straightforward mounting using common hand tools. Practical use scenarios a worn sash lock on a UPVC bathroom window to restore secure closure and smooth operation. Install on an alloy patio door sash to provide an additional locking point for peace of mind when the door is closed. Upgrade an older balcony window by fitting a modern shaped lock to improve fit and reduce drafts caused by loose sashes. Notes for buyers Verify frame compatibility and mounting hole positions before installation to ensure correct fit. Basic hand tools are typically sufficient for installation. If unsure, consult a professional fitter.