Signs meet Florida Statute 633.027 and Florida Fire Prevention Code 69A-3.012 Florida specific edition of NFPA 1, Uniform Fire Code (Rule Chapter 69A-60, Florida Adminstrative Code – FAC). • Structures with light-frame truss roofs shall be marked with the letter “R”.
https://www.accuform.com/safety-sign/light-frame-truss-construction-signs-MFEX565