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SWA CABLE CLEATS IN WOODEN GARDEN SHED

ietmgreen
Is there any requirement or logic to using fire retardant cable cleats in a wooden shed?

There will be a 2 metre vertical run and a 3 metre horizontal run of 4mm 3 core SWA.
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    Convince yourself that the cable is not going to come down and hang you before the shed is already such a risk that no one will be in it.  There is no need for lots of expensive fire rated brackets as such, but if there is an obvious failure mode that concerns you,  then carefully placing an odd metal P clip or some loops of builders band may be in order.

     this sort of thing is easily folded and cut to make adventitious clips and restraints

     

    I'm assuming this shed is the sort of small thing you keep a lawnmower and a can of petrol in  - if it is more of a working at home garden office, or has proper rooms, or if any one will sleep there, then I'd say you should treat it much more like you would a timber framed house or barn conversion, and then it does need more thought.
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    mapj1:

    Convince yourself that the cable is not going to come down and hang you before the shed is already such a risk that no one will be in it.  There is no need for lots of expensive fire rated brackets as such, but if there is an obvious failure mode that concerns you,  then carefully placing an odd metal P clip or some loops of builders band may be in order.

     this sort of thing is easily folded and cut to make adventitious clips and restraints

     

    I'm assuming this shed is the sort of small thing you keep a lawnmower and a can of petrol in  - if it is more of a working at home garden office, or has proper rooms, or if any one will sleep there, then I'd say you should treat it much more like you would a timber framed house or barn conversion, and then it does need more thought.




    You've got me thinking, would copper earthing strip be suitable for such purposes, with a melting point of approx. 1000 degrees C (I've got a roll unused for years I'd like to use if acceptable)?


    F

  • 0
    seems a bit of a waste, but certainly not contravening anything. I'd suggest though you may check how much you could sell it for on-line - copper is not cheap stuff.

  • 0

    Farmboy:



    . . . would copper earthing strip be suitable for such purposes, with a melting point of approx. 1000 degrees C . . . 



    Now, how does that figure compare with the combustion temperature of the wood you are fastening it to? 


    Regards,


    Alan. 

  • 0

    Alan Capon:




    Farmboy:



    . . . would copper earthing strip be suitable for such purposes, with a melting point of approx. 1000 degrees C . . . 



    Now, how does that figure compare with the combustion temperature of the wood you are fastening it to? 


    Regards,


    Alan. 


     




    Sorry for my lack of clarity. I was thinking about the specific use of the copper strip as a support method, as opposed to some fancy so-called specialist clip branded product, not necessarily about using it in a wooden shed which would probably be ashes before the strip melted.


    F

  • 0
    To BS 7671 a shed is a shed, but I note that the OP specifies a garden shed.


    Next time I go to my local wood merchant, I shall look at their luminaires. Their shed (or in fact a row of them) is about 150 yards long and 50 yards at the deepest point. Ridge height must be at least 30 feet.


    By the strict letter of the Regs, the answer may be "yes", but if so, there is no logic to it.

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