Highlight of important changes in the 2010 Florida Building Code, Residential
Note: Text highlighted in blue represent Florida specific changes.
Text highlighted in black represent ICC specific changes.
Chapter 1: Scope and Administration
R101.2 Revise provision to replace grade with Grade plane. Add new exception for live/work units. Also, revise section for consistency with the IRC.
Chapter 2: Definition
Clarify/add new definition for the following terms: Attic, Habitable attic, labeled, listed, Structural insulated panel SIP. Also, the following terms were revised or added: Addition, basic wind speed, building integrated photovoltaic roofing, floodplain management ordinance, hurricane-prone regions, means of escape, sunroom, and wind-borne debris region.
Chapter 3: Building Planning
R301.1 Clarify exception with regard to flood provisions.
R301.1.1 Add ICC 400 as an alternative standard and update standard for cold-framing steel framing to AISI S230.
R301.2.1.1 Update design criteria to include provisions for SIP, reference ICC-600. Correlate section with ASCE 7 2010. Update MAF Guide to concrete and the WFCM Guide to Wood Construction in High Wind Areas.
Table R301.2 (1) Revise footnote to address flood provisions.
Table R301.2 (2) Revise to correlate with ASCE 7-2010 and missing footnotes.
Figure R301.2 (4) Update wind map for consistency with ASCE 7 2010.
Table R301.2 (4) Correlate table with ASCE 7 2010.
R301.2.1.1.3 Add new provision to clarify wind loads determination on rooftop structures and equipment.
R301.2.1.2 Add new provision to address protection of ventilation openings in exterior wall of buildings located in WBDR.
R301.2.1.2.1 Add modification to ASTM E 1996 for consistency with ASCE 7-2010.
Table R301.2.1.2 Revise fastening schedule for wood structural panels.
R301.2.1.3 Revise wind speed conversion for consistency with ASCE 7-2010.
R301.2.1.4.2 Revise criteria for surface roughness and add surface roughness D as per ASCE 7 2010.
R301.2.1.4.3 Revise exposures categories and add Exposures D for consistency with ASCE 7 2010.
R301.2.1.7 Add new provision to clarify testing to allowable or nominal loads.
R301.3 Revise the threshold for story height.
Table R301.5 Revise the minimum uniformly distributed live load for balconies.
R302.1/Table R302.1 Reformat and regroup provisions related to fire separation, penetrations and other fire-resistance requirements under one section. Require testing for rating of fire separation. Provide exception for fire separation specific to buildings on the same lot. Add a new exception screen enclosure walls of insect screening.
R302.2 Clarify the fire resistant rating for common rated wall in townhouses.
R302.3 Add exception for screen enclosure wall of insect screening from the separation requirement for two-family dwellings.
R302.4 Reformatted to include rated penetration provisions.
R302.5 Reformatted to include provisions for garage opening and penetration.
R302.6/Table R302.6 add table for Dwelling/Garage Separation.
R305.1 Revise maximum ceiling height.
R308.1.1/R308.3 Reference ANSI Z97.1 as an alternative testing procedure.
R308.4 Reformat provisions for hazardous locations requiring safety glazing.
R308.6.1 Add new definition for Tubular Daylighting Device (TDD).
R310.1 Add habitable attics as requiring emergency escape and rescue openings.
R311 Reformat means of egress requirements.
R311.2 Add exception for building that are 400 square feet or less from the door height and width requirements.
R311.7.2 Clarify the measurement of stairway headroom.
R311.7.3/R311.7.4 Clarify the requirements for stair treads and risers.
R311.7.7 Revise the handrail height at transition fittings.
R312 Clarify measurements for guards.
R313 Delete provisions for automatic fire sprinklers.
R314 Reorganize and clarify provisions for smoke alarms.
R315 Revise the requirements for carbon monoxide alarms.
R317.1 Revise locations for protection against decay.
R317.3 Clarify the requirements for fasteners and connectors in contact with treated wood.
R317.4 New provisions was added for wood/plastic composites.
R319.1 Add provisions for address numbers.
R322 Add requirements for flood-resistant construction.
R323 Add ICC 500 for storm shelters.
R324 Revise the provisions for Airport Noise.
Chapter 4: Foundation
R401.3 Clarify the requirement for drainage.
R401.4 Clarify the requirements for soil tests.
R402.3 Revise the provisions for precast concrete.
R403.4 Add specific requirements for crushed stone footings.
R404.1.2.3.1 Clarify the compression strength of concrete.
R407.3 Add specification for steel columns.
R408.1/R408.2 Revise the criteria for under floor space ventilation.
Chapter 5: Floors
R502 Revise to remove all provisions that are not applicable to high wind areas.
Chapter 6: Wall Construction
R602 Revise to remove all provisions that are not applicable to high wind areas.
R606.8.1 Add new section stack bond.
R606.14.1 Clarify criteria for joint bearing.
R609.1.5 Clarify criteria for providing cleanouts.
R613 Revise provisions for consistency with ASCE 7 2010 and to remove criteria for snow loads.
R616 Add new provisions for soffit product approval and installation.
Chapter 7: Wall Covering
R703/Table R703.4 Add wind resistance requirements and clarify the water barrier requirements for exterior walls.
R703.7.3 Add corrosion resistance requirements for protection of lintels.
R703.7.4 Clarify masonry veneer anchorage.
R703.11.1.1/R703.11.2 Add specific requirements for installation of vinyl siding including soffit.
R703.8 Clarify flashing requirements for exterior window and door openings.
R703.10 Revise requirements for panel siding and lap siding for consistency with IRC.
R703.11 Clarify installation standard for vinyl siding.
Chapter 8: Roof-Ceiling Construction
Table R802.1.9 (1) Correlate table with ASCE 7-2010.
R802 Revise to remove provisions that are not applicable to high wind areas.
R806.4 Clarify provisions for unvented attic assemblies.
Chapter 9: Roof Assemblies
R905.2 Clarify attachment and wind-resistance of asphalt shingle.
Table R905.2.6.1 Correlate wind resistance of asphalt shingles with ASCE 7-2010.
R905 Revise to reference RAS 118, 119 or 120 and correlate section with ASCE 7-2010.
R905.16 Add new provisions for building integrated photovoltaic roofing modules/shingles.
R905.8.6 Revise the installation instruction for wood shake.
Chapter 10: Chimneys and Fire Places
R1001/R1003 Revise the installation specification for masonry fireplaces and chimneys.
Chapter 11: Energy Conservation
Note: Provisions of this chapter were deleted and compliance was deferred to the Florida Building Code, Energy Conservation.
Chapter 12: Mechanical Administration (No highlight changes)
Chapter 13: General Mechanical System Requirements
M1305.1.4.1/M1308.3 reformate requirements for ground clearance for appliances under one section.
M1307.3.1 Expand the requirements for protection from vehicle impact damage to more locations.
Chapter 14: Heating and Cooling Equipment (No highlight changes)
Chapter 15: Exhaust System
M1502 Clarify the requirements for installation of clothes dryer exhaust.
Chapter 16: Duct Systems
R1601 This section was revised extensively for consistency with the FBC, Energy Conservation.
M1601.6 Provide requirements for independent garage HVAC systems.
M1602.2 Add provisions to prohibit unconditioned attics and crawl spaces as source for outdoor and return air for HVAC systems.
Chapter 17: Combustion Air
M1701 Revised extensively.
Chapter 18: Chimneys and Vents (No highlight changes)
Chapter 19: Special Fuel-Burning Equipment (No highlight changes)
Chapter 20: Boilers and Water Heaters (No highlight changes)
Chapter 21: Hydronic Piping
M2103.2 Add requirements for thermal barrier for hydronic floor heating systems.
M2104/Table2101.1 Expand materials acceptable for hydronic piping.
Chapter 22: Special Piping and Storage Systems (No highlight changes)
Chapter 23: Solar Systems (No highlight changes)
Chapter 24: Fuel Gas
G2408.2.1/G2408.6 Clarify appliance installation in garages so as not to exert undue strain on the connections.
G2415.4 Prohibit underground penetration of gas piping.
G2415.6 Revise requirements for piping in solid floors.
G2415.12 Revise requirements for piping underground beneath buildings.
G2417.3.4 Revise valve isolation for consistency with IRC.
G2420.5 Clarify the location requirements for appliance shutoff valve.
G24184.108.40.206 Revise minimum length of connections.
G2439.5 Clarify the requirements for clothes dryer ducts.
G2447.5 Add requirements for vertical clearance above cooking top.
Chapter 25: Plumbing Administration (No highlight changes)
Chapter 26: General Plumbing Requirements
P2603.2 Revise to reference AISI 230 for drilling and notching.
Chapter 27: Plumbing Fixtures
P2705.1 Revise provisions for installation of fixtures.
P2719.1 Clarify permitted locations for floor drains.
Chapter 28: Water Heaters (No highlight changes)
Chapter 29: Water Supply and Distribution
P3005.2.6 Clarify the requirements for cleanout at the base of stacks.
P3108.1/P3108.2 Clarify provisions for wet venting.
Chapter 30: Sanitary Drainage (No highlight changes)
Chapter 41: Swimming Pools
R4220.127.116.11 Add new provisions for flood hazard areas.
Chapter 44: High-Velocity Hurricane Zones
R4402.2.1 Add definition for Building Integrated Photovoltaic Roofing.
R4402.6.5.2 Add new criteria for fasteners.
R4402.7.2.3 Clarify the definition for tin caps and nails.
R4402.7.11 Add new requirements for building integrated photovoltaic roofing modules.
R4402.10.8 Clarify examination of steel decks.
R4402.10.17.1 Clarify the application of elastomeric coating over existing asphalt shingles.
R4402.10.21 Add new exception for attic space designed by a PE.
R4402.12.6.5.2.9 Clarify installation of fasteners, membrane fasteners and stress plates.
R4402.13 Add new exception for attic space designed by a PE.
R4403.7.8 Clarify load combination with respect to flood load.
R4403.9 Correlate wind loads with ASCE 7 2010.
R4403.11 Add new provisions for sunrooms construction.
R4403.12.1.2 Provide an exception for screen enclosures constructed in accordance of AAF Guide to Aluminum Construction in High Wind Areas.
R4403.12.2 Add new provisions for wind breakers.
R4403.13 Add new provisions for flood resistance.
R4407.5 Revise provisions for reinforced unit masonry extensively.
R4408 Update standards for steel construction.
R4409.1.4.7 Update standards for wood construction.
R4410.2.1.11 Clarify the use of comparative analysis for product approval of fixed glazing.
R4411.4 Update standards for gypsum board products.