Inspect against the printed guide
Inspect against the printed guide for the system on the roof, not against memory or the last job.
UFGS asks for exposed surfaces free from visible wave, warp, buckle and tool marks, and gives no numeric tolerance for it.
So record what you see, with a photo and a location, rather than a number nobody published.
A checklist card with seven groups: substrate, cleat, cover, joints, strip-in, finish and records, each with the checks that trace to a printed rule.
Sources
- Drexel Metals ES-1 installation guides - Drexel Metals
- UFGS 07 60 00 Flashing and Sheet Metal (August 2023, Change 1 05/25) - USACE / NAVFAC / AFCEC, via the Whole Building Design Guide
