Dade County Outlaws OSB for Roof Sheathing

An emergency ordinance amending the South Florida Building Code to deal with the devastation wrought by Hurricane Andrew includes a provision requiring that only ⁵/ ₈" or thicker plywood be used for roof sheathing. The provision applies both to repairs and new roofs, and specifically bans the use of oriented strand board (OSB), along with waferboard, composites, and structural particleboard. Passed on September 15, the ordinance is in effect until March 15, 1993, at which time it will be reviewed for changes or possible permanent adoption into the building code.
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