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Thread: 1.5" or 2" nails for hardwood install? Or staples?

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  1. #1
    DIY Junior Member 1320ms's Avatar
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    Default 1.5" or 2" nails for hardwood install? Or staples?

    Installing 3/4" solid wood hardwood flooring over 1/8" DreamHome insulayment onto 23/32nd OSB subfloor

    My guy at the flooring company tells me for solid wood to use nails, he wasnt sure what size though

    Reading online other people say staples have a stronger hold

    If I nail it, I've gotta choose between 1.5" or 2" nails, from reading I understand that I dont want the nail to penetrate all the way through the subfloor, so I'm thinking a 1.5" nail would be best, but then lumber liquidators (where I bought the underlayment) is telling me to use a 2" nail

    Does it even matter? Seems everyone has their own opinion on nailing vs stapling, but if I do go nails, 1.5" or 2" which will be better?

  2. #2
    Plumber jimbo's Avatar
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    Is this a nail straight in, or throught the tonque at a 45? I think I used 1 5/8" nails on my oak tonque and groove, and as I recall, 1 3/4 or 2" was considered "standard" but my floor is 3/4 oak on 3/4 plywood on lightweight concrete, so I REALLY did not want the nail to penetrate the subfloor. This floor has been down now since 1990, and looks great, so thost nails did the trick.

  3. #3
    DIY Junior Member 1320ms's Avatar
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    Through the tongue at 45, again, figuring out if I'm going to staple or nail, so I'll either be using a bostitch MIIIFN or MIIIFS

  4. #4
    Plumber jimbo's Avatar
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    A 1 nail on a 45 has a total depth of approx. 1" vertically down from the head. Figure 1/8 for the foam, 3/8 for half the thickness of the hardwood, that only gives you 1/2" into the subfloor. A 1 5/8 or 1 3/4 long nail or staple will still not penetrate and will give you that much extra length of grip.

  5. #5
    DIY Junior Member gluecan's Avatar
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    use 2 inch i do and have for 30 years staples are better in most wood flooring

  6. #6
    DIY Junior Member 1320ms's Avatar
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    So then, nails or staples?

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