Florida Building Code Practice Exam

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According to Florida Building Code, what is the minimum thickness required for fiberboard sheathing?

1/4"
1/2"
5/8"
3/4"

The correct answer is: 1/2"

The Florida Building Code specifies that the minimum thickness for fiberboard sheathing is 1/2 inch. This thickness provides adequate structural performance and insulation properties while ensuring compliance with safety standards. Fiberboard sheathing is used in a variety of applications, including exterior wall assemblies, and this thickness is particularly suited to offer a balance of durability and insulation, making it appropriate for the climatic conditions typically found in Florida. In contrast, other thicknesses, regardless of whether they might be common or sometimes specified for different products, do not meet the minimum requirement set forth in the code for this specific application.