Orange County Florida Wind Loads For Roofs

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Orange county florida wind loads for roofs.

Florida building code improvements 2004 2007. Wind maps by county. The florida building code dictates who may work on roofs and the florida roofing laws for when roofs may be reroofed repaired or replaced within or outside of high velocity hurricane zones. Counties marked as map not available need to make changes to their wind maps.

Construction and buildings 2 stories designed with flexible diaphragms need not be designed for torsional load cases. Those counties are calhoun dixie flagler nassau. Windspeedbyzip is a tool for architects engineers and builders to easily determine the 3 second gust basic windspeed figure 6 1 of asce 7 05 and now design wind speed per asce 7 10 maps for any location in the continental united states to determine the basic windspeed fill in the address below. In wind zones of 110 mph or less such as alachua county if the roof was secured with 8d nails but not ring shank at a lesser spacing additional ring shank round head nails must be added where necessary to meet the six inch spacing.

Wind zones of 120 mph and up require complete re nailing if the existing 8d nails are not ring shank. Florida building code section 1619 wind load minimum standard chapter 6 of asce 7 98. Allow unvented attics under certain conditions. Roof decks and roof coverings must be.

Broward county 140 mph and miami dade county 146 mph. If your roof is damaged contact a licensed florida roofing contractor for help. Improved requirements for wood to masonry wall interfaces. Improved requirements for roof tile attachment.

All wind maps are in pdf format. Require improving roof deck nailing when reroofing. Wind loads for torsional cases are 25 of respective transverse or longitudinal zone load values. A current wind map was not provided by the county please contact the local government building department for wind speed information.

Torsional loading shall apply to all 8 basic load cases applied at each reference corner. Adopt standard that rates asphalt shingles based on wind speed.