Introduction A project developer managing a 200-unit residential complex reaches a familiar crossroads. The slabs are cast. Masonry is closing out. Electrical and plumbing are racing toward deadlines. Door procurement now becomes a critical path item. The budget is already stretched. The handover date isn’t moving. Yet every single door across those 200 homes must look consistent, be installed cleanly, and hold up for years without becoming a maintenance nightmare. This is wh