Florida Building Codes

Here’s What You Need to Know

The 9th Edition of the Florida Building Code (FBC) will go into effect on December 31, 2026.

The 9th Edition (2026) Florida Building Codes revisions include critical changes to steep-slope and low-slope roofing systems.

Florida Building Codes

Key Modifications to the 9th Edition Florida Building Codes include:

  • Roof Tile Underlayment Testing and Assembly Requirements (1518.8.8, RAS 118, RAS 119, and RAS 120)
  • Steep-Slope Underlayment Recover Acceptance and 2-ply Requirement (Table R905.1.1.1, R905.3.3, Table 1507.1.1.1, 1507.3.3, 1518.2.1, FEBC 706.7.3)
  • Flashings (R903.2.1, 1503.2.1)
  • Roof Ventilation (R903.5, R806.1-R806.5, 1503.5, 1203.2)
  • Reroofing (Recovering versus Replacement) (R908.3, 1511.3, FEBC 706.3)
  • Steep-Slope Drip Edge (R905, 1507, 1517.6.2.3)
  • Hip and Ridge Shingle Testing and Attachment (R905.2.6.2, 1507.2.7.2, 1518.7.4)
  • Hip and Ridge Metal Roofing (1504.3.1.1)
  • Fasteners Exposed to Saltwater Environments (R332, 1711)
  • HVHZ Hybrid Ballasted Systems for Solar Panels (1522.4)
  • Roof to Wall Connections (FEBC 706.8.1)
  • Tapered Insulation R-Value – New Construction (FECC C402.1.3.2)

NOTE: The current 2026 FBC revisions are posted year to date. Because building codes and amendments shift frequently during revision cycles, monitor frequently for official updates and supplements published by the Florida Building Commission.

Florida Building Code Updates Newsletter (2026)
Technical Bulletin – Florida Building Code Changes (2026) PDF | 603kb
Underlayments Selection Guide PDF | 219kb

Engineering & Codes Support

Contact our Professional Engineer for guidance regarding Florida Building Codes.

Kelsey Archer, P.E., CDT
774.313.9602 | Email Kelsey

The 8th Florida Building Code roofing related changes went into effect on December 31st, 2023.

The 8th Edition (2023) Florida Building Codes revisions include important changes to roof assembly requirements. Some of the key code enhancements apply to new roof construction and roof replacement improving wind and water infiltration resistance to prevent or minimize building damage.

Key Modifications to the 8th Edition Florida Building Codes include:

  • Roof Underlayment Testing and Assembly Requirements (1504.2.1, 1507.1.1, 1518.2, TAS103); Refer to Newsletter for detailed changes.
  • Adoption of ASCE 7-22 for Wind Loads on Roofs
  • Steep-Slope Underlayment Recover Acceptance and 2-ply Requirement (15.11.1 & 1521.4)
  • Roof Deck Pavers – Panels Over Roof Assemblies
  • Commercial Roof Solar Reflectivity Requirements (IELL C402.3)
  • Roof Edge Systems and Gutter Standards (1504.5)
  • Roof Coating Standards (1509)
  • Pipes/Conduits Under Roof Deck Requirements (1510.12)

Florida Building Code Updates Newsletter (2023)
Technical Bulletin – Florida Building Code Updates (2023) PDF | 291kb
Underlayments Selection Guide PDF | 219kb

Engineering & Codes Support

Contact our Professional Engineer for guidance regarding Florida Building Codes.

Kelsey Archer, P.E., CDT
774.313.9602 | Email Kelsey

Resources

Florida Department of Business and Professional Regulation offers on-line resources as reference.

Analysis of Changes to the 9th Edition Florida Building Code (2026)

Refer to the recent Florida Building Code 9th Edition on the ICC website.
Chapter 15 Roof Assemblies and Rooftop Structures

Details the differences between the 2020 FBC 7th Edition and the 2023 FBC 8th Edition. The Analysis of Changes for the 8th Edition (2023) of the Florida Building Code compares provisions in the 7th Edition (2020) Florida Building Code, Building (FBCB) and the 8th Edition (2023) Florida Building Code, Building (FBCB).

The Analysis Of Changes is a useful aid to the representative Code Book to identify differences in the new codes.

Go to Code Resources

Florida Building Code On-line

Complete collections or individual books are available for on-line access.

Go to Code Books

Additional Resources

Standards

Important Notice

Miami Dade logoThe Department of Regulatory and Economic Resources, Miami-Dade Permitting and Inspection Center Notice regarding the Florida Building Code Change, indicates all applications submitted online after 4 PM on December 30th, 2023 must comply with the new 2023 edition.

Go to Engineering Services for more information.

Engineering & Codes Support

Contact our Professional Engineer for guidance regarding Florida Building Codes.

Kelsey Archer, P.E., CDT
774.313.9602 | Email Kelsey

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