What is the purpose of batten systems in slate or tile roofs?

The purpose of batten systems in slate or tile roofs is primarily to strengthen the bond between the tiles or slate shingles. Battens create a framework that holds the roofing materials securely in place, enhancing their resistance to wind uplift and other forces. This connectivity is essential for maintaining the integrity of the roof, especially in areas subjected to severe weather conditions.

Moreover, using battens promotes proper water drainage and allows for ventilation, which is crucial in preventing condensation and prolonging the life of the roofing materials. While enhanced aesthetic appeal, cooling effects, and ease of installation are factors that may play a role in roofing design, the central engineering benefit of battens is the reinforcement they provide, ensuring that each tile or slate shingle functions effectively as part of a cohesive roofing system.