Is there a rule of thumb for what size of timber I-beam (ply/OSB + top/ bottom rails) is equivalent to a steel Universal beam ? For example, given a standard 7" x 4" universal beam, what size timber-I beam would be equivalent ? Thanks, Simon.
Is there a rule of thumb for what size of timber I-beam (ply/OSB + top/ bottom rails) is equivalent to a steel Universal beam ? For example, given a standard 7" x 4" universal beam, what size timber-I beam would be equivalent ? Thanks, Simon.
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