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putting laminate in upperfloor but want firm floor feeling

  • 31-07-2017 12:43am
    #1
    wiciu.o
    Registered Users, Registered Users 2 Posts: 41 ✭


    Hi.

    My first DIY at new-old home.
    Want to put laminate in place of old carpet in one of bedrooms on upperfloor.
    What I want to achieve is very firm floor feeling.
    I hope to achieve it by using 12mm laminate and fibrewood underlay.
    Hopefully you can tell me if this is good way.
    I took down carpet and underlay. There is uneven plywood subfloor now. It raises to edges in 2 places or dips in the middle - up to 18mm difference in level. I was thinking of adding some plywood over joists in lower parts and covering whole floor in 240mmx120mmx18mm OSB sheets. It would level floor and make it firmer , less bouncy I hope. I didn't mention this and another bedroom is build over converted garage and as result floor is about 5 cm lower in the extension than in main house. I was hoping to lift the floor with this method in the extension to bring to one level. This would mean 2 levels of OSB sheets. It's going to cost a lot when I calculate it now.
    Is there a better way to do it ?
    THanks
    Tagged:


Comments

  • #2
    BrokenArrows
    Registered Users, Registered Users 2 Posts: 7,501 ✭✭✭BrokenArrows


    18mm is a huge difference in the floor level and will make laying laminate impossible.

    Your idea with the OSB is good.

    No need for 2 layers of OSB to level the floor. Just screw wooden batten over the existing floor joists to make them higher and then install the OSB like normal. Will be cheaper than a double level.


  • #3
    wiciu.o
    Registered Users, Registered Users 2 Posts: 41 ✭wiciu.o


    Thanks for reply and sorry I only got back to thread now, lot of work at home.
    What size of wooden batten should I use?
    Is the wooden fiber underlay good to get firm floor feeling or should I use some closed cell or rubber underlay ?
    I took off subfloor now and can put some isolation between joists.
    What should I use to get some good soundproofing and not spend a fortune?


  • #4
    figure8
    Registered Users, Registered Users 2 Posts: 16 ✭figure8


    I had an absolute nightmare with an uneven concrete subfloor downstairs, tried self-levelling compound and all that. I had originally purchased wood fibre underlay and ended up scraping out the bumpy sections by roughly running a spirit level repeatedly over the floor, it still wasn't great so took it all up again and tried a 3mm foam underlay - it worked much better and feels much firmer. Also put same foam underlay in an upstairs bedroom with wooden sub floor, it feels rock solid (and I don't think the floor is perfectly level as there are some small gaps where the skirting boards run along the floor). So I would suggest going foam rather than wood fibre.


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