Torsion Springs
Springs engineered to counterbalance door weight
Typically mount on a tube and are secured to wall on spring bracket
Warning: Springs can be under extreme tension and can cause injury to inexperienced persons. Torsion springs should only be adjusted/installed by experienced technicians.
Extension Springs
Springs engineered to counterbalance door weight
Typically mounted along horizontal tracks
Warning: Springs can be under extreme tension and can cause injury to inexperienced persons. Extension springs should only be adjusted/installed by experienced technicians.