Milled timber complying with the requirement of Specification 07431 in the specified type of timber shall be used for soffit and cladding.
The minimum thickness of milled timber shall be 15mm. The minimum panel width shall not be less than 60mm. Unless shown in detail drawings to be otherwise, timber boards shall be tongued and grooved and finished plain.
Timber Soffits and cladding shall be nailed to battens. Unless shown on details drawing, the battens shall be 50x50mm sawn timber, spaced at maximum 500mm center to center at directions right angle to the boards. The battens shall be securely fixed to truss members as in Specification 075312. Corners where Soffits and cladding join with walls or other material, shall be covered in molded timber corner lists not less than 50mm wide.
