What is the purpose of a ledger in a wood floor system?

The purpose of a ledger in a wood floor system is primarily to provide load-bearing support. A ledger is a board or beam that is anchored to a wall or another structural element, serving as a support for joists or other structural components. This attachment helps distribute the weight of the floor and any loads above it to the wall or foundation, ensuring structural integrity and stability.

This load-bearing function is crucial, especially in situations where the floor supports furniture, appliances, and occupants. By effectively transferring the load, a properly installed ledger helps maintain the safe performance of the floor system over time. Understanding this role emphasizes the importance of proper installation techniques and material selection in building construction.