Decra - Batten System Installation

Roof battens are thin strips of material that may be made of wood, plastic or metal. They’re installed before the tile is laid on the roof and may serve more than one purpose. The ideal installation method for roof battens when installing a tile roof depends on the roof material, its slope, and environmental conditions such as rainfall, temperature and wind. Roofing battens are used to provide the fixing point for roofing sheet or roof tiles. The orientation and spacing of the battens depend on the type of roof. Battens may be oriented at right angles to the trusses or rafters of a roof like purlins.

 

On roofs with a steep slope, tiles are usually fastened to battens. According to CemTile, most roof tile manufacturers allow direct nailing, but on roofs with a slope greater than 7:12 or on roofs in very cold climates where ice dams are likely, the tiles should be fastened into battens to ensure they remain fastened to the roof. In regions where high winds are common, roof tiles are usually fastened to the battens to prevent them from lifting from the roof deck.

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