ARCHITECTURAL Hardware Solutions

A Euro cylinder is measured as two separate lengths, from the fixing-screw centre to each end, not by overall length. This guide covers the tools, step-by-step method, sizing for door furniture and security needs, and common mistakes to avoid before ordering replacements.

The right hinge depends on the door’s construction, weight, size, opening angle, mounting method, and environment, not hinge type alone. This guide compares hinges for wood, steel, aluminum, glass, and UPVC doors, and shows how to verify load, corrosion, and ANSI/BHMA claims before ordering.

Heavy duty swing clear hinges move the open door out of the doorway, recovering usable width for wheelchairs, gurneys, and carts. Choose by required clearance, the full door assembly, traffic, and documented ANSI/BHMA performance, not load ratings alone. Verify drawings, approved samples, and fire-door listings before bulk orders.

Matching a key to a cylinder requires three checks: physical format (Euro, mortise, rim, interchangeable core), keyway profile, and internal pinning. A fitting keyway doesn’t guarantee operation. This guide covers measurements, restricted/master-key systems, and sourcing replacement cylinders through documented keying schedules for commercial projects.

Sourcing door knob parts requires treating suppliers as manufacturing partners, not vendors. This guide covers specifying spindles, latches, roses, and springs by exact interface; evaluating production capability and certifications; building a complete RFQ package; and comparing quotations on tooling, MOQ, lead time, and total landed cost.