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In this type of ceiling construction, where the ceiling is fixed on top of exposed roof rafters, there are some requirements that need to be completed before tiling can begin. Counter battens must be positioned accurately over the rafter centre lines on top of the lining board and the sarking membrane attached to these battens. The counter battens should be thick enough, (around 50 mm x 13 mm), to allow the sarking to dish correctly in accordance with AS/NZS 4200.2-1994. |