Florida Roof Top Coding

In wind zones greater than 110 mph fastening is based.

Florida roof top coding.

South florida has gotten plenty of accolades for the very strong building codes it has adopted and maintained since hurricane andrew laid waste to the southern miami metro area in 1992. Chapter 15 and chapter 16 of the fbc regulates rooftop assemblies structure and design. Florida s 25 reroofing rule is found in the 2017 florida building code existing building 6th edition within chapter 7 section 706 1 1 existing roofing. All structural metal roofing systems having a thickness equal to or greater than 22 gage and all.

Florida building code existing building 706 1 1. Roof coverings installed on low slope roofs roof slope 2 12 in accordance with section 1507 shall resist impact damage based on the results of tests conducted in accordance with astm d 3746 astm d 4272 cgsb 37 gp 52m or the resistance to foot traffic test in section 5 5 of fm 4470. Refer to frsa tri florida high wind concrete and clay roof tile installation manual fifth edition 2012 where the basic wind speed v asd is determined in accordance with section 1609 3 1 for underlayment and slope requirements for specific roof tile systems or the recommendations of ras 111 118 119 or 120. Roof assemblies rooftop structures 1507 roof coverings with slopes 2 12 or greater.

There are laws regarding who can work on roofs how roofs must be installed or repaired when roofs may be reroofed and much more. Not more than 25 percent of the total roof area or roof section of any existing building or structure shall be repaired. Florida building code 25 reroofing rule. 1507 3 asphalt shingles 1507 3 6 fasteners requires the use of roofing nails 1507 3 7 attachment in wind zones up to 110 mph prescriptive provision of 4 fasteners per shingle.

Roofing standards change regularly. Common questions about tiled roof cleaning q. Florida s building code states that if more than 25 percent of a roof is damaged then the entire roof must be brought up to code. The capping tiles or ridge tiles that finish the top of roof edges are also mechanically fixed to the roof board the gaps between the capping tile and the roof tiles are then filled in with a cement mix usually matched to the color of the roof tile.

Most of these laws are found in the sixth edition of the florida building code which went into effect on dec. This completes the roof construction. Not more than 25 percent of the total roof area or roof section of any existing building or structure shall be repaired replaced or recovered in any 12 month period unless the entire roofing system or roof section conforms to requirements of this code. Florida building code existing building chapter 7 section 706 1 1.

So for homeowners with older roofs this often means a full roof replacement. Chapter 15 of the fbc deals specifically with roof assemblies and rooftop structures.