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Treated pine Pergola Rafter and Beam Spans

The following treated pine span tables are to be used as a guide only. Please refer to Australian Standards and/or seek professional advice from a registered Engineer for your specific needs.

The Log Factory takes no responsibility due to loss, failure or damage of any kind due from constructions using these table wholly.

Rafter

APPROXIMATE SPAN DETAILS (F7 Treated Pine)
Pergola Rafter (F7)

To support Lightweight Sheet roofing only &

To support 70x35mm Kiln Dried Battens only.

Maximum Rafter Spacing 600mm

Timber size (mm)  Span (mtrs)
70 x 45 1.5
90 x 45 2.0
140 x 45 3.8
190 x 45 4.9
240 x 45 n/a
290 x 45 n/a

 

APPROXIMATE SPAN DETAILS (F7 Treated Pine)
Pergola Rafter (F7)

To support Lightweight Sheet roofing only &

To support 70x35mm Kiln Dried Battens only.

Maximum Rafter Spacing 900mm

Timber size (mm)  Span (mtrs)
70 x 45 1.4
90 x 45 1.9
140 x 45 3.7
190 x 45 4.8
240 x 45 n/a
290 x 45 n/a

Beam

 

APPROXIMATE SPAN DETAILS (F7 Treated Pine)
Pergola Beam (F7)

Lightweight Sheet roofing only

To support F7 Kiln Dried Treated Pine Rafters @ 600mm spacing

Maximum Roof / Rafter length 3.0mtrs

Timber size (mm)  Span (mtrs)
70 x 45 1.4
90 x 45 1.5
140 x 45 2.3
190 x 45 2.9
240 x 45 3.5
290 x 45 n/a

 

 

 

APPROXIMATE SPAN DETAILS (F7 Treated Pine)
Pergola Beam (F7)

Lightweight Sheet roofing only

To support F7 Kiln Dried Treated Pine Rafters @ 600mm spacing

Maximum Roof / Rafter length 6.0mtrs

Timber size (mm)  Span (mtrs)
70 x 45 n/a
90 x 45 n/a
140 x 45 1.9
190 x 45 2.5
240 x 45 3.0
290 x 45 n/a