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Treating decking off cuts

v.walia9v.walia9 Posts: 36
in Tools and techniques
Hi,

I will be starting to build our deck this week and have got most of the materials I think I'd need. I want some help deciding what to use to treat the cuts in either posts or joists. I've got Ronseal Decking Oil to coat the whole deck after build. So I want to know if I can use the same decking oil to treat the cut ends as well or do I need a separate wood preserver?

Also I understand from some articles that even the drill holes should be treated. Can you please advise how to do that? I wonder if there are any special brushes for the holes. Also thinking it would increase the build time a lot if I treat every single hole with 2 coats & wait for it to dry before screwing!

Would greatly appreciate your advice on this.

Thanks

Posts

  • AnniDAnniD Posts: 11,182
    *Bump* for any decking experts  :)
  • LoxleyLoxley Posts: 5,063
    If you're using pressure treated softwood, this would be a good idea. 
    https://www.toolstation.com/cut-end-wood-preserver/p20613
  • v.walia9v.walia9 Posts: 36
    WillDB said:
    If you're using pressure treated softwood, this would be a good idea. 
    https://www.toolstation.com/cut-end-wood-preserver/p20613
    Hi, I am using pressure treated softwood. Can I use the same decking oil (Ronseal) to treat cut ends, which I'll be using for treating the decking boards when complete? Or do I have to get a special end grain preserver?
  • LoxleyLoxley Posts: 5,063
    Of course you can. It won't be as good as the product linked to above though. When wood is pressure treated, preservative chemicals are impregnated deep into the wood, but not always all the way into the middle. So when you cut it you are creating a point where rot can get in. Decking oil will provide some protection but won't be as good as a special cut end treatment which protects against wet rot etc.
  • v.walia9v.walia9 Posts: 36
    WillDB said:
    Of course you can. It won't be as good as the product linked to above though. When wood is pressure treated, preservative chemicals are impregnated deep into the wood, but not always all the way into the middle. So when you cut it you are creating a point where rot can get in. Decking oil will provide some protection but won't be as good as a special cut end treatment which protects against wet rot etc.
    I see. Thanks for explaining that to me. I'll buy the end grain preserver then.
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