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  1. #21
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    Default Re: any builders on here? flooring q's

    That's the way they build "modern" houses, all the subfloor is covered with particle board and then all the framing is built on top of that, the roof is put on, and then the cladding (so the disintegrating particle board sounds like it is undermining the framing)
    Being a bathroom you should have waterproof flooring, we have a non-slip flooring that is laid roughly 150mm up the walls, As long as the particle board doesn't get wet your OK(obviously NOT in your case)
    Sounds like the previous owner didn't known this, and made a few wrong decisions(botch up job). You may have some comebacks??

  2. #22
    In a 1920s time warp Terry Porritt's Avatar
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    Default Re: any builders on here? flooring q's

    "As long as the particle board doesn't get wet your OK" ....... and there's the rub.

  3. #23
    Soaring like an Eagle gary67's Avatar
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    Default Re: any builders on here? flooring q's

    The building code allows for particle board to be exposed to the elements for no more than 6 weeks I think from memory (been out of the trade a few years so can't remember exactly) and as such the particle board is coated to stop it soaking up the wet for this amount of time but only if it is not covered enough to stop it from air drying again. I.e don't wrap it in plastic and expect it to hold together.

  4. #24
    Frank and Earnest. Cicero's Avatar
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    Default Re: any builders on here? flooring q's

    Quote Originally Posted by gary67 View Post
    It's part of the bracing element which is why they put it down first
    Which is fine if they were to use a decent material, rather than blotting paper.
    "The life of the dead is placed in the memory of the living." Cicero

  5. #25
    Awaiting Enlightenment R2x1's Avatar
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    Default Re: any builders on here? flooring q's

    Wet particle board can lead to upheavals from the vacuum cleaner, and floors in the vacuum bag.
    Entropy is not what
    it used to be.



  6. #26
    tweakedgeek tweak'e's Avatar
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    Default Re: any builders on here? flooring q's

    started working on the fix today.
    put a couple of packers to replace the weetbix and backed it with timber down to the beam. so now bottom plate is tied to the beam in a couple of places. all glued and screwed.
    it only took 4 hours to do two.
    put a couple screw in the bathroom wall edge and pulled the floor down. checked underneath and its sitting pretty. downside is the lino will need to be lifted and floor leveled.
    so tomorrow its fix up the floor panel supports.
    Tweak it till it breaks

  7. #27
    Frank and Earnest. Cicero's Avatar
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    Default Re: any builders on here? flooring q's

    Maybe next time you will look under all walls b4 you buy.
    "The life of the dead is placed in the memory of the living." Cicero

  8. #28
    amateur expert dugimodo's Avatar
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    Default Re: any builders on here? flooring q's

    My Floor is tri-board and the rules for that are so specific I wonder why they don't apply them to particle board also. After all for those unfamiliar tri-board is just a thick layer of particle board sandwiched between two layers of custom wood to give a nicer finish. It also tends to be thicker and stronger. Tri-board must have any cuts or exposed surfaces painted, possibly the custom wood layer is even more susceptible to water even than particle board though.

    When I turned my bathroom into a laundry and removed the toilet and shower I discovered water had been getting under both. The large unpainted hole where the toilet was had let water in and the board was on it's way to falling apart but under the shower where everything was painted as it's supposed to be there was no damage at all.
    The builder used marine ply to repair mine and it managed to match it in pretty well. Maybe if you are fixing the bathroom floor anyway a coat of cheap paint over the particle board would help to waterproof it.
    Ryzen 2700X, 16Gb DDR4RAM, 512GB M.2 NVME SSD, MSI GTX1070

  9. #29
    Awaiting Enlightenment R2x1's Avatar
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    Default Re: any builders on here? flooring q's

    Quote Originally Posted by Cicero View Post
    Maybe next time you will look under all walls b4 you buy.
    Last time I tried that, I was fortunate enough to discover the prospective seller was a bit of a homicidal maniac. We had only lifted two walls up and he went ballistic. I'm certainly glad we decided not to buy from that type of unreasonable person, that's the sort of clown that moans if you withhold $100,000 (to cover contingencies and undisclosed blemishes) from the settlement.
    Entropy is not what
    it used to be.



  10. #30
    tweakedgeek tweak'e's Avatar
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    Default Re: any builders on here? flooring q's

    Quote Originally Posted by Cicero View Post
    Maybe next time you will look under all walls b4 you buy.
    yeah sure.

    i didn't notice the flaws and the building inspection missed it to.
    its only since winter started (i guess the wet) has everything starting to loosen up. looks like there may be loose nails as well. i think they have used round head finishing nails to nail down the subfloor.
    funny thing is part of the repair has been done well, only 2/3 of it is rubbish.

    been fitting the supports today till i ran out of glue.
    i'm planning on painting a sealing coat over the floor as well while the lino is off.
    Tweak it till it breaks

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