Roof Tile Counter Battens

For example horizontal battens run.

Roof tile counter battens.

Modern battens evolved from rough coppiced saplings around which thatch could be attached and it was only with the advent of industrial wood cutting that they started to be produced with straight sides. How you install battens can affect the drainage efficiency. Elevated battens are typically used with tile roofs. The updated bs 5334 code of practice for slating and tiling specifies a number of batten sizes based upon the span of the rafters and the product being used.

Set out in straight lines parallel to the ridge and to the gauge required for the tile or slate the lap should not be decreased as this would reduce weathertightness set out so that the tiles project a minimum of 50mm over the gutter. Roof tiles are usually laid horizontally attached to timber tiling battens. Tiling battens are strips of squared wood that run the length of the roof to form lines parallel to the eaves from which the tiles are hung. Counter battens are wooden strips that are installed vertically over pitched roofs to which horizontal tiling battens are attached.

Battens elevate the roof tile off the roof deck and this ensures that water drains off the roof. Battens should be fixed to rafters set at centres not more than 600mm apart. They allow air flow and prevent heat absorbed by the tiles to stay off the underlayment and keeps it from transferring into the attic below. The space created by the elevated batten is a natural form of insulation.

For more information on our products please call our office on 01295 250998 or email us at sales britmet co uk. Counter battens are nailed or stapled vertically to the roof decking and are used to support the horizontal battens. For example 25 x 50mm battens are required for single lap modern roof tiles laid on rafters with a 600mm span. Boral roofing s elevated batten system battens can prolong the life of the roof system by increasing drainage and airflow minimizing penetrations and adding thermal barriers for energy savings.

Roofing battens are nailed into the rafters or roof joists or trusses and provide support for the roof tiles or slates. For example 25x50mm battens should be used for single lap modern roof tiles when laid on rafters with a 600mm span. According to bs 5534 the appropriate batten size will depend on the span of the rafters and the roof covering. Let s go into a bit more detail.

It also has the added benefit of keeping moisture off the roof deck. Prolong the life of the entire roof system with this critical component prevents water damming that can damage the underlayment and roof deck. They are used to allow rainwater to pass off the tiles and away from your roof.