What is a garage door drum? The garage door drum is that circular roller with grooves that is fixed on the shaft of the torsion springs. If your garage door is of the heavier kind, garage door drums help to give extra support for easier lifting and lowering of the garage door. Like other garage door parts these drums must be well and properly maintained. If this is not done, they may start to get worn down by the high degree of stress they are regularly placed under. A garage door that shows visible wear and tear signs can increase…