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Hardwood Decking - advice needed

Discussion in 'In the Garden' started by newnhambolton, 30 Apr 2010.

  1. newnhambolton

    newnhambolton

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    I've got some hardwood decking - massaranduba 28x145 and planning to deck an area of 2.4m x 4m next to the house using a ledger of 50 x 150 x 4000 at ground level. Do I have to use joist hangers?

    My question is what size wallbolt should I use to fix the ledger and how many? What sort of wallbolt should they be? Also, I've been told to use stainless steel bolts. Is this necessary?

    Similarly, what size decking screws should I use? Should they also be stainless steel?

    Is there anything else that I need to be aware of before embarking on this project?
     
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  3. Thermo

    Thermo

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    no you dont need joist hangers

    no you dont need to use stainless steel bolts. an m8 or m10 rawlbolt at 800mm centres is fine for the ledger board.

    hardwood decking splits easily so we always pilot drill it and countersink it. Stainless steel screws look a lot better. 50mm screws are fine. toolstation do them pretty cheap. Oil it after youve done it all
     
  4. newnhambolton

    newnhambolton

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    If I don't use joist hanger, how do I attach the joists to the ledger?
     
  5. r896neo

    r896neo

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    just skew nail or screw it.
     
  6. Thermo

    Thermo

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    as neo says, we dont use them unless its a high level deck, absolutley no need for them.
     
  7. newnhambolton

    newnhambolton

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    Is it better to nail the joist onto the ledger or screw them. Similarly, is it better to nail or screw the noggins?
     
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  9. WabbitPoo

    WabbitPoo

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    I always screw joists, but I nail-gun noggins. The latter add lateral stability, the former add flexion (real word?!) stability and nails will pull out.
     
  10. newnhambolton

    newnhambolton

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    What are the advantages of using "decking" screws as opposed to normal exterior stainless steel wood screws. I will be screwing into hardwood, if that makes any difference.
     
  11. Thermo

    Thermo

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    none. stainless look much better on a hardwood deck
     
  12. Deluks

    Deluks

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    No problem using normal stainless but square head decking screws really look the nuts.
     
  13. Thermo

    Thermo

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    and are a complete bastrad to get back out again :evil:
     
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