Flat Roof Steel Beams

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.

Flat roof steel beams.

We also offer a selection of galvanized steel beams. Just give us a call if you need something special. Jun 3 2017 explore anthony valentine s board flat roof on pinterest. Structures that use steel roof beam construction usually have flat roofs but some smaller structures may have a peaked roof.

See more ideas about flat roof steel structure steel house. Metals depot stocks a wide range of steel beam sizes for thousands of applications. Shop online for standard or cut to size lengths at wholesale steel beam prices. 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.

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. 7 6 mm mass per metre. Existing foundations are assumed to be adequate however this is subject to exposing the existing foundations and an inspection for the satisfaction of the building control officer. For additional stability you can also use steel joists that are built into one or both of the walls.

The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls. 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. If there is also a beam in the middle of the roof divide the total load by three.

The tables below give maximum spans for rafters and beams. 16 kg m safety factors restraints. All weak or damaged masonry is to be re built. Attached flat roof 1ao page14.

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. 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. For heavy roofs or in areas with substantial snowfall or winds call your local building department for code requirements.