If there is also a beam in the middle of the roof divide the total load by three.
Flat roof steel beams.
Divide the total load according to how many supporting beams the roof will have.
For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.
Attached flat roof 1ao page14.
We also offer a selection of galvanized steel beams.
If one side of the roof is supported by the house and the other side is supported by the beam divide the total load by two as the beam is only supporting half of the roof.
The figures are based on quality materials.
Structures that use steel roof beam construction usually have flat roofs but some smaller structures may have a peaked roof.
Jun 3 2017 explore anthony valentine s board flat roof on pinterest.
Metals depot stocks a wide range of steel beam sizes for thousands of applications.
R cb150 16 beam span table used w 3600 width of frame rafter span χ 6410 fascia beam span the cb150 16 beam achieves the 6000mm span for the fascia beam and can be used for the rafters.
Steel beams are heavy components and may require mechanical lifting aids.
Shop online for standard or cut to size lengths at wholesale steel beam prices.
This will give additional stability to the roof structure.
In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
Flat roof with no permanent access and altitude not exceeding 100m 0 75 kn m udl 0 9 kn point load most areas exceeding 100m but not exceeding 200m excluding parts of scotland pennines north east england refer to bs 6399 3 1 kn m udl 0 9 kn point load.
Steel is cheaper than wood in most cases and it can handle a load much better but steel beams must usually be cut off site and trucked into a location whereas wood beams can readily be cut on site.
7 6 mm mass per metre.
All weak or damaged masonry is to be re built.
16 kg m safety factors restraints.
See more ideas about flat roof steel structure steel house.
The tables below give maximum spans for rafters and beams.
Beam supporting flat roof joists project number calcs for date steel beam calculation you can add your own text diagrams and photos here beam details 152 x 89 x 16 ub s275 beam effective span length.
For additional stability you can also use steel joists that are built into one or both of the walls.