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Planning tool 03

The Florida 25 Percent Rule

Check whether a planned repair is likely to trigger bringing the whole roof section to current code.

Question 11 minute

How large is the roof section?

An estimate in square feet is fine. A section is a part of the roof between edges, ridges or valleys.

How much of it will be repaired or replaced?

Include any work on the same section in the past 12 months.

When was the existing roof permitted?

The 2007 Florida Building Code took effect in March 2009.

This tool gives general guidance and does not replace a professional inspection or a permit authority's decision.

Background reading

The detail behind this tool.

Codes and approvals3 min read

The Florida 25 percent roof rule, explained for owners

More tools

Plan the next step.

01

Roof Material Matchmaker

Four questions about your home rank the five roof materials, with the reasons and the cautions.

Open the tool, 2 minutes02

Design Review Readiness

See the likely review path for your town and the documents to prepare before a roof replacement.

Open the tool, 1 minute04

Roof Age and Insurance Readiness

Work out where your roof stands under the Florida roof age rule and what to document.

Open the tool, 1 minute