Why Is a Fire Door Rubbing on the Hinge Side?

Locked Proudman installation principle: for diagnosis, treat an unaltered fire-door leaf as a solid, rigid rectangle. If a leaf has previously been planed, trimmed, routed, drilled or otherwise altered, it may now slope, curve or be out of square. Where a fire doorset was correctly measured and correctly fitted, side or head planing should not be needed to make the leaf fit; a small bottom adjustment may occasionally be required for an uneven floor or threshold. Always diagnose the complete doorset before altering one component. The symptom The door rubs along the hinge-side edge or catches at one point near a hinge. You may see rubbed paint or lacquer, witness marks or a gap that changes around the hinge line. Start at the contact point Find exactly where the rubbing begins and whether it occurs at one hinge, between hinges…