Garage Door Hinge Replacement: questions about the price

Count the joints between panels and multiply. A single door usually carries two edge hinges and one centre hinge per joint, so a four-panel door has three joints and nine hinges. A double door adds one or two more centre hinges per joint to keep the wider panels flat. The top panel uses adjustable top fixtures rather than hinges, and the bottom corners use bottom brackets, which are different parts.

Supporting the panel while hinges are changed

A heavy insulated panel needs to be braced while its hinges are off, so it does not sag or twist out of place mid-repair. Lighter steel or wood panels usually need no extra support, and the technician decides which applies once the panel is in front of them.

Opener adjustment afterwards

A door that folds freely again sometimes needs the opener's force and travel settings reset and its reversal retested. That adjustment is named when it is needed.

Edge hinge or centre hinge

A centre hinge unscrews and refits in a few minutes. An edge hinge carries the roller and has to be worked out of the track, so it takes longer and is often paired with a roller.