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Exterior timber slat most span Query I’d prefer to assemble an exterior timber display out of 70x30mm Blackbutt to adjust to BAL 29 hearth score. What’s the most span of the timber and what are the utmost spacing between fixings? yaotian1993@gm… Wed, 04/02/2025 – 12:06 Reply If the blackbutt display is required by rules to … Read more