Spira Brass 3" 3 Lever Mortice Sash Lock Fd60 - Black
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Product Information
Full details
The Spira Brass 3" 3 Lever Mortice Sash Lock is an ideal hardware solution for homeowners and contractors seeking a reliable, fire-rated locking mechanism for internal doors. Designed for durability and security, this lock features a versatile reversible mechanism, making it compatible with various door orientations. While it offers robust construction and easy installation, users should note that the 3-lever design is intended primarily for standard internal security rather than high-security external door applications.
All features
| Colour | Black |
|---|---|
| Model Part Number | LAL1451BN |
| Brand | Spira Brass |
Extended Product Information
FAQs
Is this lock suitable for external doors?
This is a 3-lever lock designed primarily for internal doors and does not meet the security standards typically required for external entrance doors.
What is an Fd60 rating?
An Fd60 rating means the lock is fire-tested and approved for use on doors designed to provide 60 minutes of fire resistance.
Can I install this on a door that opens outwards?
Yes, the reversible mechanism allows the latch to be adjusted to suit both inward and outward opening door configurations.
What size mortice is required?
The case measures 76mm (3 inches) in depth; you will need to mortice your door to accommodate this dimensions plus the faceplate.
Are the fixing screws included?
Yes, the product includes the necessary fixing screws for standard installation.
Troubleshooting
Latch does not retract fully
Check if the strike plate is correctly aligned with the latch and ensure the mortice pocket is deep enough.
Key turns with difficulty
Ensure the lock is not misaligned within the door cavity and verify that the door is not warping against the frame.
Handle sagging
Verify that the spindle is the correct size and that the internal springs have not been obstructed by debris during installation.
Pros and Cons
Pros
- Certified for Fd60 fire doors
- Reversible latch suits any door orientation
- High-quality brass construction
- Includes essential mounting hardware
Cons
- Not suitable for high-security external door applications
- 3-lever mechanism offers basic security only
- Limited to 76mm case size
Setup, Compatibility & Care
To install this lock, mark the door edge carefully to align with the 76mm (3-inch) body. Use a sharp chisel to clear the mortice pocket to a depth sufficient for the 4.4cm body width. Once inserted, secure the unit using the included screws. To maintain the black finish and internal mechanism, wipe the faceplate with a dry or slightly damp lint-free cloth periodically. Avoid using harsh chemical cleaners, as these may degrade the finish. If the lock feels stiff after heavy use, a light application of a dry lubricant can be used on the bolt and latch mechanism.