Technical Booklet D Structure·Page 48·Table 4B.34

Table 4B.34: Maximum clear span of purlins supporting rafters

This table provides maximum clear span values in metres for purlins that support rafters with roof pitch between 30° and 45°, imposed load of 1.00 kN/m², and timber strength class C24, organized by purlin size and dead load range.

Table 4B.34 Maximum clear span of purlins supporting rafters (m); Roof pitch more than 30° but not more than 45°; Imposed load of 1.00 kN/m2; Timbers strength class C24

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