The DuraPost Aluminium Gate Third Hinge Kit adds an additional hinge point to the aluminium pedestrian gate where the completed gate needs more support. Birkdale specifically describes it as additional support for heavier infilled gates.
When should I add the third hinge?
Consider the third hinge where the gate is built toward the larger end of the permitted size range, uses a heavier infill arrangement or the project specification calls for additional hinge support. It supplements the standard Aluminium Gate Hardware Kit rather than replacing it.
What else do I need?
Fit it during the gate build
Plan the hinge positions before hanging the gate so the load is shared correctly between the hinge points. Do not treat the third hinge as a cosmetic add-on after the gate has already sagged or moved.
Use the Aluminium Gate Frame page for the complete gate-system explanation and manufacturer installation guide.
Why add the third hinge?
On a premium gate, preventing movement is better than correcting sag later. Where the size or infill weight justifies it, the third hinge spreads the load and helps the gate keep the clean alignment it had when first installed.
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