1 refer to general notes for information that is relevant for all span tables.
Pergola with roof span tables aust.
Technical note 3 seasoned softwood pergola span tables.
Step 4 assume the wind classification for the area is n1 and the roofing profile is stramit corrugated cladding 0 48mm bmt thickness in a single span configuration.
Posts these span tables are designed for a minimum post size of 50 x 50 x 2 5mm up to a maximum height of 3 0m.
Timber queensland limited technical data sheet 19 pergolas and carports revised march 2014 page 3 pergola or carport beams tables 2l and 2h list the sizes and spans for pergola or carport beams in low wind speed and higher wind speed areas.
3 where rafters are equal to or exceed four times their breath blocking should be used to reduce distortion.
Pergola rafter spans for 600 mm and 900 mm spacing.
Diy pergola guide measuring pergola dimensions learn measuring pergola dimensions learn pergola beam span calculator span tables for 8 x12 x24 western red.
Flat roof span tables allow for a maximum roof pitch of 5ยบ.
Technical diagram span tables f7 rafters on page 35 30mm m aximum allow able sp ans mm sheet roof spacing mm rafter size 600 760 900 1000 1200 66 x 30 1250 1150 1050 1000 950 90 x 30 1650 1550 1550 1400 1300 138 x 30 2600 2300 2150 2000 1800 185 x 30 3000 2650 2450 2350 2150 230 x 30 3050.
Roof pitch use recommended minimum roof pitches as specified by roof sheet supplier.
Table 2l pergola or carport beams wind classifications n1 n2 n3 and c1 member size roof load width.
Refer to residential timber frame construction standards as1684 for appropriate connectors to be used.
This is set by the roof use you selected in the previous screen and cannot be modified.
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A maximum roof pitch of 25 degrees is assumed.
Loads are calculated in accordance with table 3 1 of as nzs 1170 1 2002.
Where roof material is placed on the rafter the rafter must be connected to the verandah beam and ledger and the verandah beam and ledger must be bolted to the post or supporting structure.
2 for design parameters refer to figure 7 26.
From span table c the maximum allowable single span is 2160mm.
Reading off the empty under table with h 5m hc 2 5m span table c will be used to determine the spans.
