Florida's 25% Reroofing Rule, found in the 2020 (Seventh Edition) Florida Building Code– Existing Building Edition’s Chapter 7 Section 706 EXISTING ROOFING and as modified by Florida Legislature’s SB ...

Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it? Maybe. Most codes now allow no more than two layers of roofing before requiring a complete tear-off. So, if ...