A batten is a narrow strip of material, such as wood or metal, that is used to secure or space roofing materials. Battens are typically installed perpendicular to the roof deck, and are used to support and hold in place other roofing materials, such as tiles, shingles, or panels.

Battens can serve a variety of purposes in a roofing system, depending on the specific design and installation. For example, battens may be used to create an air gap or ventilation space between the roof deck and the roofing materials, which can help to reduce heat buildup and prevent moisture accumulation. Battens may also be used to secure roofing materials in place, especially in areas where high winds or heavy precipitation may be a concern.

Battens may be made from a variety of materials, including wood, metal, plastic, or composite materials. The size and spacing of the battens will depend on the specific requirements of the roofing system, including the type of roofing materials being used, the slope of the roof, and the expected weather conditions.

Proper installation of battens is essential for ensuring the longevity and performance of a roofing system. The spacing and orientation of the battens must be carefully planned and executed to ensure that the roofing materials are installed securely and will withstand the forces of wind, rain, and other environmental factors.

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