Strut steel channels are manufactured from stainless steel

Strut steel channels are manufactured from stainless steel

In particular to such strut channels made from a single piece of metal and having a cross-section of generally 'M'-shape in transverse cross-section with end flanges which are inclined at angles of greater than 90 to the longitudinal axis of the strut so that in use the strut is inclined when it is secured between two joists.

Presently, most timber floors including joists incorporate a form of herringbone strut to stiffen individual joists by providing support from adjacent joists when any individual joist is loaded to a degree where deflection is likely to occur. This form of stiffening has been used for many years and is a traditional building technique. In the past, such stiffening was often provided from suitable timber found on site surplus to normal requirements. Of more recent times strutting has been specially made to order. Generally, the strutting is achieved by two individual timber struts located between adjacent joists in the form of crossing diagonals the strut steel channels being arranged at intervals across the main span of the joists and one extending from a lower corner of one joist to an upper corner of the other and the other extending from the upper corner of the one joist to the lower corner of the other. Occasionally, however, but serving the same purpose instead of two individual struts in the form of a cross, a solid length of timber having similar dimensions to the joists bridges the gap between the joists.

Strut is normally manufactured out of sheet steel, with a zinc coating (galvinized), paint, epoxy, powder coat, or other finishes.

Somewhat more rarely, strut steel channels are manufactured from stainless steel or aluminum alloy, in cases where the strut rusting might become a problem (outdoors, chemical facilities with corrosive materials) or where weight is an issue (aluminum particularly).

source:news njwanze

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