Orange County Florida Wind Loads For Roofs

Wind zones of 120 mph and up require complete re nailing if the existing 8d nails are not ring shank.

Orange county florida wind loads for roofs.

If your roof is damaged contact a licensed florida roofing contractor for help. Wind maps by county. Florida building code section 1619 wind load minimum standard chapter 6 of asce 7 98. You only need to fill in either the city and state or the zip code.

All wind maps are in pdf format. Broward county 140 mph and miami dade county 146 mph. Florida building code improvements 2004 2007. 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.

Allow unvented attics under certain conditions. Those counties are calhoun dixie flagler nassau. Improved requirements for roof tile attachment. Section 1504 1 wind resistance of roofs.

Require improving roof deck nailing when reroofing. Adopt standard that rates asphalt shingles based on wind speed. 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.

Roof decks and roof coverings must be. Resulting from design wind speeds except. 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. O wind speed search atc wind speed by location o exposure risk category and minimum design loads o roof height and slope o roof covering o roof plan showing module location installation is not allowed closer than 3 feet to valleys ridges or roof edges.

Counties marked as map not available need to make changes to their wind maps. 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.