What is advised regarding fasteners used in tile roofing in the valley?

The recommendation to keep fasteners at least 8 inches away from the center of the valley stems from the need to prevent water intrusion and ensure the long-term integrity of the roofing system. Valleys are critical areas on a roof where water flow converges and can be particularly prone to leaks if not properly managed.

By maintaining this distance, you help ensure that the fasteners do not pierce the underlayment or shingles in a way that could create vulnerabilities. Placing fasteners too close to the center of the valley increases the risk of water entering through any punctures, which can lead to leaks and potential damage to the roofing structure and underlying materials.

This guideline demonstrates a crucial aspect of roofing best practices, emphasizing the importance of strategic fastener placement to enhance overall roofing durability and efficacy, especially in areas where water flow is concentrated.