If a dimension is not on the drawing, it does not go in the article.

About

Weili leads engineering at Helian LED. He has worked with aluminum extrusion and LED thermal design for over a decade, and is responsible for the technical accuracy of every profile dimension, mounting method and installation sequence published on this site. Before a guide is published, he checks each figure against the extrusion drawing and the actual section.

What he reviews

• Profile dimensions, tolerances and inner widths
• Mounting methods — recessed, surface-mounted, suspended and corner
• Thermal management, wall thickness and material specification
• Installation sequence and compatibility of end caps and connectors

Areas of expertise

Project experience

• Hotel and hospitality linear lighting
• Office and co-working suspended runs
• Retail and display cabinet lighting
• Residential cove and under-cabinet projects