A Bottom Hinge 500 mm From the Bottom: Why FIX Should Flag It

A Bottom Hinge 500 mm From the Bottom: Why FIX Should Flag It Related diagnostic: Three Hinges, Three Constraint Points: How the Leaf Is Actually Being Held explores the connected frame-fixing or gap-measurement issue and helps compare the evidence before choosing a repair. A lower hinge that begins roughly 500 mm from the bottom deserves a second look. Hinge location determines where the leaf is constrained, so an unusual position needs to be explained. What the pattern is telling you The Proudman practical reference uses about 150 mm from the top for the upper hinge start and about 225 mm from the bottom for the lower hinge start. Those are practical reference positions, not universal statutory dimensions. But a lower hinge starting roughly 500 mm from the bottom is not something I would soften into the phrase “unusual position”. On…