Loadings all loadings used in deriving the design data are assumed to either act uniformly along the top central flange of the sections or for connections to support members evenly between each of the lower flanges feet.
Top hat on floor.
All sections shall be produced from high tensile g500 g550 steel with.
The top hat flooring system is similar to a traditional timber floor where the joist top hat is fastened to the bearer purlin.
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All top hats roof battens ceiling battens shall be stramit sections or approved equivalent supported by submission of section properties and capacity calculations data in accordance with as4600 as3623 and as1562.
Top hat overlaps or non structural laps are recommended to be a minimum of 100mm in length.
When connecting overlapping top hats place foot onto upper section to nest sections prior to and during fixing.
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Top hat sections as floor joists max spans for strength and serviceability span tables for domestic and commercial applications and where vibration control is required.
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The stramit top hats battens capacity tables product technical manual or 120mm top hat technical supplement has further information.
All sections are manufactured from galvanised hi tensile steel.
The steel flooring system uses adjustable galvanised stumps.
In these cases structural continuity must not be assumed.
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