Contact flexospan for information on custom purlin and girt structural steel dimensions.
Roof purlin for 10 span.
02 6554 6422 email.
Dead load will be the actual weight of the roof steel and the roof purlins.
We manufacture any component from 1 2 steel subgirts to 12 section up to 10 gauge.
For heavy roofs or in.
Douglas fir maximum horizontal roof rafter span for lumber grade selected structural and no.
Dead load weight of structure and fixed loads 15 lbs ft 2.
29 norfolk close tuncurry nsw 2428 phone.
The safe spans below are suitable for sheds and class 1 structures with the following assumptions.
An essential part of planning a patio roof or gazebo project is determining the number size and spacing of rafters beams and posts according to the loads they will carry.
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.
Steel z purlins and z girts are also available with other depths and flange widths.
It is a horizontal bar that used to support building at the roof structurally.
Maximum rafter spans for a patio roof.
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.
Reduced end spans each purlin should have 7 5 of each adjacent span added rather than 7 5 of that purlin s span.
In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
1 psf lb f ft 2 47 88 n m 2.
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.
Purlin is a well known material in the field of architecture structural building or structural engineering.
Live load is weight of furniture wind snow and more.
2 are indicated below.
Engineered purlin metal mart offers a complete line of engineered purlin material.
Max roof span allowed 12m.
Steel roof purlins and wall girts are produced and available in house.
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.
High pressure zones kl 1 5 and 2 0 included.
All spans to have 1 row of bridging.
Cleated or bracketed fixing only no flange bolting.
Cpe 0 9 and cpi 0 2.
Where span lengths are unequal e g.
