Whether you've just moved into a new home, parted ways with a roommate, want to enhance security, or simply wish to give your door a fresh look, there are many reasons to change your front door lock.
Replacing a door lock isn't complicated, but a few tips can make your new lock more durable. Here's a step-by-step guide along with the tools and materials you'll need. If you're unsure, contact a locksmith for assistance!
Choosing a New Door Lock
Make sure the new lock matches the specifications of your current one. Most locks are designed for doors that are 35–45 mm thick, though some accommodate doors up to 60 mm thick. If your door exceeds these dimensions, you may need a custom solution.
Door locks also have a backset, which is the distance from the center of the hole to the door's edge. Common backsets are 60 mm or 70 mm. The new lock must match your door's backset, although some locks can be adjusted to fit both measurements.
If you can't find a compatible lock, rekeying might be a more efficient option.
Replacing vs. Rekeying a Lock
- Replacing a Lock: Ideal for aesthetic upgrades or switching to an electronic lock.
- Rekeying a Lock: If the hardware is in good condition, you can simply replace the cylinder or key, which is more economical and practical.
Many high-quality locks support rekeying, and rekeying kits often include the necessary tools and instructions. If a suitable kit is unavailable, consult a hardware store or locksmith. A locksmith can come to your location, or you can remove the lock and take it to them, saving on service fees.
How to Replace a Door Lock
Follow these steps to quickly replace your front door lock.
Tools You’ll Need
- Measuring tape
- Screwdriver or drill
- Replacement deadbolt kit
- Chisel
- Hammer
- Pencil
Step 1: Remove the Existing Lock
1. Unscrew the bolts on the interior side of the lock.
2. Slide out the inner and outer parts of the lock from the door.
Step 2: Remove the Latch and Faceplate
1. Unscrew the plate on the door's edge that secures the latch.
2. Pull out the latch and faceplate. If necessary, use a flat-head screwdriver to pry them out gently.
Step 3: Install the New Latch and Faceplate
1. Slide the new latch and faceplate into place.
2. If the fit isn’t perfect, mark the area with a pencil and use a chisel to adjust the opening until it fits snugly.
3. Secure the faceplate, ensuring the screws are not overtightened.
Tip: If the screw holes are too large or the wood is damaged, insert toothpicks or matches into the holes before tightening the screws.
Step 4: Install the New Lock Hardware
1. Slide the exterior lock (the keyed side) through the latch mechanism.
2. Align the interior lock piece and tighten the screws to secure both parts in place.
Step 5: Install the New Strike Plate
1. Remove the old strike plate from the doorframe.
2. Follow Step 3 to adjust the slot if needed, then install the new strike plate.
By following these steps, you can securely install a new lock and improve your home’s security. Remember, home safety starts at the front door! If you have any doubts, contact a professional locksmith for assistance.
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