Reduced end spans each purlin should have 7 5 of each adjacent span added rather than 7 5 of that purlin s span.
Roof purlin for 10 span.
29 norfolk close tuncurry nsw 2428 phone.
Cpe 0 9 and cpi 0 2.
Dead load will be the actual weight of the roof steel and the roof purlins.
Live load is weight of furniture wind snow and more.
Purlin is a well known material in the field of architecture structural building or structural engineering.
We manufacture any component from 1 2 steel subgirts to 12 section up to 10 gauge.
02 6554 6422 email.
Steel roof purlins and wall girts are produced and available in house.
In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
Safe roof purlins spans.
The cos of the purlin spacing is because the load on the purlins is vertical and the purlin spacing is with the run of the roof.
Steel z purlins and z girts are also available with other depths and flange widths.
All spans to have 1 row of bridging.
Engineered purlin metal mart offers a complete line of engineered purlin material.
It is a horizontal bar that used to support building at the roof structurally.
Where span lengths are unequal e g.
There is an available purlin for every type of roofing material including purlin span for metal roof which is the most common material type to use this item.
Cleated or bracketed fixing only no flange bolting.
2 are indicated below.
Max roof span allowed 12m.
Contact flexospan for information on custom purlin and girt structural steel dimensions.
The safe spans below are suitable for sheds and class 1 structures with the following assumptions.
1 psf lb f ft 2 47 88 n m 2.
Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no.
Lap lengths of less than 10 or 5 on any side of a support may not provide full structural continuity and may also suffer from local failures not considered by this method.
High pressure zones kl 1 5 and 2 0 included.
Available in cee or zee shape red oxide primed or galvanized 16 14 or 12 gauge sizes from 4 up to 12 flange widths of 1 1 2 up to 4 cut to your specified lengths hole punching available load tables available for all material.
For sake of discussion we will assume a minimal roof snow load of 20 psf pounds per square foot and a 4 12 roof slope.
For heavy roofs or in.
1 ft 0 3048 m.