Ideal Security MCMB Curved Mortise Lock Set for AluminArt Storm/Screen Doors – 3/4-Inch Backset – Matte Black

Designed specifically for AluminArt ChamberDoor storm and screen doors with a 2-inch thickness, the Ideal Security MCMB Curved Mortise Lock Set offers a refined hardware upgrade with a secure, smooth feel. The matte black curved exterior lever pairs with an interior latch and a keyed exterior, delivering reliable operation without altering the door profile. This replacement kit is built to fit precisely on compatible doors, helping to maintain proper latch alignment and dependable performance through daily use.

Key features at a glance

• Only for AluminArt ChamberDoor: designed for 2-inch-thick AluminArt storm and screen doors; incompatible with other brands.
• Adjustable 3/4-inch backset: ensures proper latch alignment; backset is the distance from the door edge to the bore center.
• Locking lever handle: curved exterior lever with interior latch for smooth, secure operation; key entry from outside and deadbolt from inside.
• Complete kit included: interior and exterior handles, mortise lock body, spindle, strike plate, screws, and two keys; all parts needed for a 2-inch AluminArt door install.
• Left- or right-handed install: compatible with both door orientations; verify AluminArt ChamberDoor brand and thickness before purchase to avoid returns.

Everyday use and practical benefits

In daily use, the curved exterior lever offers a deliberate, tactile feel as you approach the door, while the interior deadbolt adds an extra layer of security when you’re inside. The kit’s all-in-one design minimizes extra shopping and ensures you have the essential components at hand for a solid installation. The matte black finish adds a contemporary touch that can complement many door styles, while the 3/4-inch backset helps keep the latch aligned with the bore hole for consistent operation.

For homeowners upgrading aging hardware, this set presents a practical upgrade path that emphasizes fit, finish, and reliable performance. It is important to confirm your door brand and thickness before ordering, or compare the provided dimension images with your existing hardware to help prevent returns. Since 1956, Ideal Security has supplied storm- and screen-door hardware trusted by manufacturers and homeowners alike, and this kit reflects that legacy of quality and fit for compatible AluminArt doors.