Use this RFQ checklist for custom aluminium LED profiles: drawings, interfaces, finish, tolerances, quantities, machining, samples and packaging.

Understand why UGR is not a diffuser-only rating, what optical plates can change, and which photometric evidence to request.

A practical framework for architects and lighting teams assessing reuse, adaptation and selective replacement in refurbishment projects.

Learn why LED dots remain visible through a diffuser, which five variables affect uniformity, and how to validate a profile and strip sample.