Florida Building Code Practice Exam

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What is the minimum clearance required for wood floor joists that are not made of approved naturally durable wood or pressure treated wood?

The correct answer is: 18"

The correct answer is 18 inches when determining the minimum clearance required for wood floor joists that are not made of approved naturally durable wood or pressure-treated wood. This clearance is essential to ensure that the wood joists are adequately protected from moisture and ground contact, which can lead to deterioration, mold growth, and pest infestation. In the context of the Florida Building Code, maintaining this minimum distance helps to promote safe building practices, particularly in regions where humidity and moisture are prevalent. By creating sufficient clearance, builders can minimize the risk of moisture-related issues that could compromise the structural integrity of the building over time. Other options present lower clearance requirements which do not provide adequate protection against environmental factors. Lower clearances could expose the joists to conditions that facilitate decay and infestation, putting the overall stability of the structure at risk. Thus, adhering to the specified 18-inch clearance is vital for ensuring the longevity and durability of floor framing systems in buildings.