Deadbolt Installation in Radnor, PA

A bolt that never fully extends is not reaching its intended locked position.

The opening in the frame may be out of line, or the strike may be positioned where it blocks the bolt. In Radnor, we install deadbolts on entry doors and set the strike so the lock has room to throw fully. A lock that turns freely with the door open may still catch when the door is closed. If your door has only a knob lock, adding a deadbolt gives you a separate locking point rather than relying on the knob alone.

For a Radnor door with glass nearby, the choice between lock styles matters. A single cylinder model takes a key on the outside and turns by hand on the inside. A double cylinder model requires a key on both sides, which limits access through broken glass but also means you need a key to unlock the door from inside. We can determine whether the new lock can be keyed to match your other locks. That choice depends on whether the locks accept the same kind of key.

We look at the door material and thickness, the space above the existing knob, and the condition and alignment of the frame.

If a glass panel sits near the lock, we explain how your choice affects access from either side. A single cylinder has an outside keyway and an inside thumbturn. With a double cylinder, the inside also requires a key. That makes it harder to reach through broken glass and turn the lock, but harder to exit if the key is not accessible.

Before we begin, we explain which options fit your entry and whether the new deadbolt can be keyed to match your other locks. Compatibility matters, so a match is not always possible. We install the hardware and position the strike so the bolt has room to extend fully into the frame. With you, we test it with the door open and closed, checking that it turns smoothly and reaches its full extension without having to push or pull the door.

After installation, check how your back door feels. With it open, operate the deadbolt and watch it extend fully.

Close it and check that it moves just as easily, without lifting or pushing on the door. If you have to force it, or the surface still flexes enough to make the lock feel uncertain, call us to check the fit. A bolt that stops short may not be reaching the strike properly.

Keep the key clean and wipe the exterior with a soft cloth. If the manufacturer recommends lubricant, use only the type specified and apply it sparingly. Avoid household oils, which can collect dirt inside the cylinder. A key that catches, turns only with pressure, or no longer works smoothly is a reason to call us rather than keep forcing it. We can inspect the mechanism and see whether an adjustment or replacement is needed.