Wind Mitigation Form OIR-B1-1802 Checklist for Roofers
Use the Uniform Mitigation Verification Inspection Form OIR-B1-1802 (Rev. 04/26), adopted in Rule 69O-170.0155 and effective April 1, 2026.
Rule 69O-170.0155, F.A.C. ↗The form must be certified by a qualified inspector, including Florida-licensed contractors (s. 489.111), and only contractors and engineers may have an employee do the inspection, with the signer still responsible.
OIR-B1-1802 (Rev. 04/26), Qualified Inspector section ↗Attach at least one photograph or document proving each feature you mark in items 2 through 9.
OIR-B1-1802 (Rev. 04/26), instructions ↗Item 1 (Building Code): mark FBC 2001/2004, FBC 2007 or later, SFBC-94 (HVHZ only) or unknown, based on the permit application date and year built.
OIR-B1-1802 Item 1 ↗New items 2 and 3: record the Region (HVHZ, or Regions 1–3 by design wind speed) and whether the slope over at least two-thirds of the main roof is 6:12 or steeper.
OIR-B1-1802 Items 2–3 ↗Item 4 (Roof Covering): for each covering type, record the permit application date or FBC/Miami-Dade product approval number and the year installed, since compliance depends on a current approval or a permit dated on or after 3/1/2002.
OIR-B1-1802 Item 4 ↗Item 5 (Roof Deck Attachment): record the weakest deck attachment, from A (staples or 6d nails, at least 55 psf) through B (8d at 12 inches in the field, 103 psf) and C (8d at 6 inches in the field or 2 nails per board, 182 psf) to concrete, foam, other or unknown.
OIR-B1-1802 Item 5 ↗Item 6 (Roof-to-Wall Attachment): record the weakest connection (toenails 185 lb, clips 386 lb, single wraps 535 lb, double wraps 891 lb, or structural), ignoring hip and valley jacks within 5 feet of a corner.
OIR-B1-1802 Item 6 ↗Item 7 (Roof Geometry): a hip roof qualifies only if non-hip features are under 10 percent of the total roof perimeter.
OIR-B1-1802 Item 7 ↗Item 8 (Secondary Water Resistance): mark a sealed roof deck only for fully adhered ASTM D1970 underlayment, 3.75-inch-minimum seam tape (D1970 or AAMA 711), two layers of felt or synthetic, or spray foam; standard underlayment does not qualify.
OIR-B1-1802 Item 8 ↗Item 9 (Opening Protection): rate the weakest glazed and non-glazed opening by its verified impact and pressure rating, and flag openings that need repair or replacement.
OIR-B1-1802 Item 9 ↗A FORTIFIED Roof, Silver or Gold certificate can validate items 4–6 and 8–9.
OIR-B1-1802 (Rev. 04/26), FORTIFIED section ↗A completed form is valid for up to five years if no material changes or inaccuracies occur, and knowingly submitting a false form for a premium discount is a first-degree misdemeanor.
OIR-B1-1802 (Rev. 04/26), validity and warnings ↗
- Form OIR-B1-1802 was revised to Rev. 04/26 under Rule 69O-170.0155 (effective April 1, 2026), adding Region, Roof Slope and FORTIFIED certificate fields; the 9th Edition FBC (effective December 31, 2026) does not itself change the form.
- The flrules.org history for Rule 69O-170.0155 lists a later notice (withdrawal, dated 9/2/2026); check the rule page for any newer form edition before printing.
Official sources
- FLOIR: Uniform Mitigation Verification Inspection Form OIR-B1-1802 (Rev. 04/26), adopted version ↗
- Rule 69O-170.0155, F.A.C. (Forms), flrules.org ↗
- Ref-18852 OIR-B1-1802 incorporated form, flrules.org ↗
A summary to help you prepare, not the code itself. Always confirm with the code and your building department.