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  • OSB as cladding

    It absorbs water and breaks up. So yeah, I wouldn't use it outside. Painting might help but I doubt you'd get a sufficiently good seal. Likely to need replacing pretty soon.

  • I built a small storage shed using OSB on the outside. Providing the roof overhang is good, it is well treated and you don't get damp coming up from below, mine lasted 2 years with no visible signs of age/damage before I moved.


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  • Yeah this is kind of what i'm thinking - plus i kinda like the look of OSB. What did you treat it with?

  • Interesting - better durability than I'd have expected. Looks like a decent shed too, nice one.

    I'd still argue that for cladding of a structure, you would want the lifetime to be 5-10 years at the very least, and I don't think OSB would be capable of that.

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