Glass Door Slamming IS IT TIME TO REPLACE THE DOOR CLOSER? If your door closer is slamming the door and cannot be adjusted to do otherwise, either the fluid has leaked out or the valve seals are worn out. In either case, your best option is to replace it. What might...
Concealed Door Closer Oil Leaking Door CloserLeaky Door Closer Door closers use oil to smooth out the operation. Once the seal is broken and the oil leaks out the door will either not close all the way or slam shut. A replacement is needed. More... Oil Leaking Door...