Private label is normal. Accountability is the issue.
Which manufacturers say they make film for other brands, what the public record proves about specific relationships, and where it stops.
Read the investigation →Investigations
Long-form reporting on how the window-film business actually works, built from company documents, filings and test data. Every claim links to its source.
Who makes what
The ownership chart: parents, factories and brands, drawn only where a document proves the line.
Open the chart →Manufacturer changes
Acquisitions, renames, new spec sheets and lineup changes, each logged with its date and sources.
Read the log →Public documents only. Tips and matching numbers start an investigation; only a document, a filing or an on-record statement finishes one. Editorial standards