Some fire door locks make use of active latch bolts that help keep fires contained.
Front door latch loose.
1 loosen the setscrew on the knob s shank.
You can tighten a simple interior mortise lockset like the one shown at left as follows.
If your fire door locks are loose and worn down fires will spread much faster.
Furthermore having a loose door lock in place can potentially be a fire hazard when it is being used as a fire door lock.
Door knob is loose.
Loose doorknobs are a common problem on frequently used doors around the home sometimes the doorknob or lever loosens so it spins on its spindle while other times the lockset s mounting ring and faceplate become loose and pull away from the surface of the door.
Fortunately fixing a loose handle or knob is not hard and can be done by following four simple steps once you have determined the types of door knob or handle your company has.
Methods of tightening them depend upon the type of lockset.
Fixing the loose doorknob or handle.
2 hold the knob on the other side of the door and turn the loose knob clockwise until it.
Do you have a loose door strike plate and your door does not latch closed.
Here is a product called dap plastic wood filler x.
Diagram showing the parts of an interior door knob lock including the knob rose bolt latch assembly shank and lock button.
For instance some of the best front door locks are a.