When installing eave flashing on low-sloped roofs, how far should it extend inside the interior wall line?

Extending eave flashing inside the interior wall line by 24 inches is critical for effective moisture management and roof protection on low-sloped roofs. This distance helps ensure that any water that may infiltrate through the roofing material or from the eave will be properly directed away from the interior walls and prevented from causing damage.

A 24-inch extension provides a substantial barrier against rainwater, preventing it from rolling back towards the interior structure. It serves as a safeguard to minimize the chances of water pooling at the wall base, which can lead to leaks, mold growth, and other moisture-related issues. The recommended extension reflects best practices in roofing to enhance durability and maintain the integrity of both the roofing system and the structure beneath it.

The other options, while plausible in some contexts, do not provide the same level of protection against water intrusion that a 24-inch extension does, making it the most effective choice for this application.