Hurricane testing requires more than just the right impact-resistant glass; it often requires additional locking points—especially for products with low-profile tracks and thresholds. Functional Fenestration Inc.’s new Anti-Derailer Lock provides an additional security locking point for the bottom rail on multi-slide, lift-and-slide and swing style doors.

All moving parts are made from stainless steel to withstand the rigors of any environment, including coastal areas. Strike keeps and screws are included for wood, vinyl/PVC and metal doors, and the product offers two positions when locking: 9/16 inch and ¾ inch.

The patent-pending lock requires no additional milling, while fitting inside a typical lift-and-slide 22 mm by 47 mm slot.

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