Florida Building Code Practice Exam

What is the maximum moisture content allowed for all lumber at the time of permanent incorporation in a building or structure?

1. 15%

2. 19%

3. 22%

4. 25%

The correct answer is: 19%

The maximum moisture content allowed for lumber at the time of permanent incorporation into a building or structure is 19%. This standard is critical to ensure the structural integrity and longevity of the building. Lumber with moisture content over this threshold can lead to various issues, including warping, shrinkage, and increased susceptibility to wood decay and insect damage. Therefore, maintaining a maximum of 19% moisture content ensures that the wood remains stable and minimizes the risk of structural problems as it acclimates to the building's environment. This standard aligns with the guidelines set forth in the Florida Building Code, reflecting best practices to enhance durability and performance in construction.