The installation sequence
Read the governing documents; lay out the reglet; set up fall protection and silica controls; cut or set the reglet; clean; install the base flashing and termination; set the counterflashing the same day; wedge, lap and corner; fill; inspect; report measured sizes back to the fabricator.
Flow of eleven numbered steps from reading the governing documents, through layout, safety set-up, cutting, cleaning, base flashing and termination, same-day counterflashing, wedging and lapping, filling and inspection, to reporting measured sizes back to the fabricator, with a decision on whether existing counterflashing can be reused.
- 1
- Read the governing documents: code, specification, roof and reglet manufacturer
- 2
- Lay out the reglet with the designer; measure from the roof surface
- 3
- Safety set-up: fall protection and Table 1 silica controls
- 4
- Cut the reglet (ends raked out to full depth, joint width kept, level or outward) or set a manufactured reglet
- 5
- Clean with wet methods or HEPA vacuum, no dry sweeping or compressed air
- 6
- Install base flashing and termination to the roof maker's instructions
- 7
- Set counterflashing the same day, or seal the top of the base flashing
- 8
- Leading piece first; wedges; laps; corners
- 9
- Fill the reglet with mortar or sealant, per specification
- 10
- Inspect and record measured values
- 11
- Report real depths and lengths to the fabricator
Sources
- Anatomy of a regleted counterflashing (Jeffrey S. Levine), with NRCA editor's note, Professional Roofing, November 2022 - National Roofing Contractors Association (Professional Roofing)
- Technical Details: Elements of Proper Flashing Applications (October 1, 2009) - Roofing Contractor (BNP Media)
- Springlok reglet installation instructions, types CO, MA, SM and ST/STX (rev. 7/09) - Fry Reglet (via BuildSite)
- 29 CFR 1926.1153 Respirable crystalline silica (construction), including Table 1 - U.S. Department of Labor, OSHA (via Cornell LII)
- 29 CFR 1926.501 Duty to have fall protection (Code of Federal Regulations, 2025 edition, Title 29 volume 8) - U.S. Department of Labor, OSHA (official CFR text, U.S. Government Publishing Office govinfo)