Chain drives run a little slower because the chain bounces as it moves along the rail.
Garage door opener belt versus chain.
Being smoother belt drives tend to run faster than chain type openers.
Garage doors are limited to move at no more than 7 or 8 inches per second.
This garage door opener works by moving gears and metal parts together.
Belt drive garage openers use a rubber belt to open the garage door.
Garage door openers with a belt drive system are newer in technology and use a rubber belt along the moving track to open and close the door.
When comparing the chain drive garage door opener and the belt drive system you will notice that the belt drive is much quieter.
Chain drive openers are popular in industrial settings.
Since it replaces the metallic chain for raising and lowering the garage door it is relatively silent smooth and vibration free.
Belt drives are strong enough for average home needs but chain drives can do the truly heavy lifting.
They also may last longer in certain applications.
Large heavy or wood doors often require the installation of a chain drive garage door opener.
Like a chain drive the belt drive operates by moving the rubber belt.
The noise from the chain drive which is made from the gearing motor and metal to metal contact leaves this type of opener at a disadvantage.