A. Fix perimeter frame battens (recommended 25 x 38mm).

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B. Fix battens around openings.

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C. Fix intermediate vertical battens.

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D. Starter trims (or bottom angle ventilation strips as appropriate).

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E. Vertical perimeter trims (where 2-part trims are used fix only the inner part).

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F. Top perimeter trims (engage inside vertical trims).

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G. Packing to battens as required for any cut planks.

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H. Plank profiles and joint covers or centre joint trims as appropriate.

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I. Outer components of 2-part trims.