What is the minimum nail length required for joining a ledger strip to a wood beam?

When joining a ledger strip to a wood beam, using nails that are at least 76 mm in length ensures adequate penetration for a strong and secure connection. This nail length allows penetration into the beam to provide sufficient holding power while also accommodating the thickness of the ledger strip itself. Proper nail length is critical in maintaining structural integrity, especially in applications where the load bearing aspect is crucial, such as in deck construction or the support of other structures. Using nails that are too short could result in an inadequate grip, leading to potential failure. Therefore, 76 mm nails are specified as the minimum for such applications to ensure safety and durability.