On this render-interface windows project in Liverpool, packers is the first installation control and we support the frame at suitable points so fixing does not pull it out of line, with packers kept as the lead check for this render-interface windows scope. Kaizen Windows & Doors links thermal junctions to render edge, frame position, external seal, sill projection and making-good zone, making sure we coordinate the frame perimeter with insulated reveals or cavity details to limit avoidable cold bridging, with packers kept as the lead check for this render-interface windows scope. We also review final checks before making good and open, close, lock and inspect each installed window before the work is handed over, with packers kept as the lead check for this render-interface windows scope. Finally, sill level is checked so we can coordinate the frame base with the internal sill or window board and the external weathering detail, helping deliver a window-to-render junction detailed to keep the perimeter neat and weather-resistant, with packers kept as the lead check for this render-interface windows scope.