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    • dc197
    • By dc197 5th Aug 18, 1:24 PM
    • 794Posts
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    dc197
    Levelling floorboards with e.g. hardboard
    • #1
    • 5th Aug 18, 1:24 PM
    Levelling floorboards with e.g. hardboard 5th Aug 18 at 1:24 PM
    The previous owners lifted the floorboards on the landing to change pipework. In doing so, the top half of the chipboard became damaged around the edges. There are a few areas on the landing where there are essentially indentations that are about 1cm deep. You can feel it through the carpet.

    The carpets are up and before i relay them I want to level these imperfections. I want to lay something thin but stiff over the whole landing, not just over the holes. As thin as posible, just a few mm.

    Is hardboard a good choice? If not, why not and what else should I consider?

    Thanks in advance

Page 1
    • AndyMc.....
    • By AndyMc..... 5th Aug 18, 1:54 PM
    • 2,573 Posts
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    AndyMc.....
    • #2
    • 5th Aug 18, 1:54 PM
    • #2
    • 5th Aug 18, 1:54 PM
    You'd save a lot of work with a bit of filler.
    don't count your chickens before they're hatched
    • Tom99
    • By Tom99 5th Aug 18, 2:05 PM
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    Tom99
    • #3
    • 5th Aug 18, 2:05 PM
    • #3
    • 5th Aug 18, 2:05 PM
    3mm MDF would also be ok if you have room under the doors.
    • unrecordings
    • By unrecordings 5th Aug 18, 5:13 PM
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    unrecordings
    • #4
    • 5th Aug 18, 5:13 PM
    • #4
    • 5th Aug 18, 5:13 PM
    Before we had lino put down in the kitchen, the fitters recommended we put 3mm plywood down over the bare floorboards. There something about the kind of nails to use, but I've long forgotten - I think the gist of it being you need to make sure the nail heads are flush with the surface.
    • mchale
    • By mchale 5th Aug 18, 6:54 PM
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    mchale
    • #5
    • 5th Aug 18, 6:54 PM
    • #5
    • 5th Aug 18, 6:54 PM
    As in post 2, maybe sawdust & wood glue mixed
    ANURADHA KOIRALA ??? go on throw it in google.
    • omendata
    • By omendata 5th Aug 18, 6:58 PM
    • 58 Posts
    • 41 Thanks
    omendata
    • #6
    • 5th Aug 18, 6:58 PM
    • #6
    • 5th Aug 18, 6:58 PM
    Dont bodge it by filling unless you really need to save money.

    You could fit 3mm ply but it raises the level of the floor - something i always have problems with when i am tiling and laying a new subfloor for customers and explain to them why there has to be an edging strip at the doors to the rooms!

    Personally i would do the job right and lift the boards and re-lay them (chipboard is cheap anyway) its the professional thing to do , anything else is just bodging it imho and you will end up with problems with warping boards if someone spills water or rain gets in etc etc etc - its always best to do the job right the first time really as you pay cheap , pay twice im my experience!

    I presume you are fitting underlay before you fit the carpets so that may help if its tough and the cracks are small you may not notice it once the carpet goes on top depending on how tough the carpet is as well - i would try it out with some underlay and carpet scraps first!
    Last edited by omendata; 05-08-2018 at 7:03 PM.
    • Norman Castle
    • By Norman Castle 5th Aug 18, 7:56 PM
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    Norman Castle
    • #7
    • 5th Aug 18, 7:56 PM
    • #7
    • 5th Aug 18, 7:56 PM
    Tidy the dips and fit wood into them. Easy with a router.
    Don't harass a hippie. You'll get bad karma.

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    • no1catman
    • By no1catman 5th Aug 18, 9:42 PM
    • 2,737 Posts
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    no1catman
    • #8
    • 5th Aug 18, 9:42 PM
    • #8
    • 5th Aug 18, 9:42 PM
    Put down an underlay, one that has a bit of 'give' in it to even out any undulations in the floor, and put your new floor on top.
    I used to work for Tesco - now retired - speciality Clubcard
    • the_lunatic_is_in_my_head
    • By the_lunatic_is_in_my_head 5th Aug 18, 9:45 PM
    • 2,228 Posts
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    the_lunatic_is_in_my_head
    • #9
    • 5th Aug 18, 9:45 PM
    • #9
    • 5th Aug 18, 9:45 PM
    Dont bodge it by filling unless you really need to save money.

    You could fit 3mm ply but it raises the level of the floor - something i always have problems with when i am tiling and laying a new subfloor for customers and explain to them why there has to be an edging strip at the doors to the rooms!

    Personally i would do the job right and lift the boards and re-lay them (chipboard is cheap anyway) its the professional thing to do , anything else is just bodging it imho and you will end up with problems with warping boards if someone spills water or rain gets in etc etc etc - its always best to do the job right the first time really as you pay cheap , pay twice im my experience!

    I presume you are fitting underlay before you fit the carpets so that may help if its tough and the cracks are small you may not notice it once the carpet goes on top depending on how tough the carpet is as well - i would try it out with some underlay and carpet scraps first!
    Originally posted by omendata
    I agree with this, get some 8x2 moisture resistant tongue and groove chipboard (maybe about 10-12 a sheet plus VAT) and a box of Spax 60mm flooring screws from Screwfix.

    Take the old boards up and lay new, you can cut the board fairly easily with a decent hand saw (circular saw is better if you have one but wouldn't buy one just for this job).

    Make sure to glue between the tongue and groove and don't be stingy with the screws (obviously note where any pipes or cables are before screwing down the boards).

    I'd be tempted to glue the boards to the joists as well, although it will make it very difficult to rip them up if you ever need to in the future there won't be any squeaking.

    It's a relatively easy job if you are DIY minded.
    • dc197
    • By dc197 8th Aug 18, 4:46 PM
    • 794 Posts
    • 620 Thanks
    dc197
    Thanks folks. My DIY skills are not quite up to replacing the entire floorboards, but I want something a little more than filling.

    Regarding raising the level up by the 3mm of any new boards I lay, would this cause problems? The grippers are already on the floorboards, and we will have 8mm crumb underlay.

    Thanks again
    • Grenage
    • By Grenage 8th Aug 18, 4:53 PM
    • 1,658 Posts
    • 1,584 Thanks
    Grenage
    Regarding raising the level up by the 3mm of any new boards I lay, would this cause problems? The grippers are already on the floorboards, and we will have 8mm crumb underlay.
    Originally posted by dc197

    Fitting carpet can be a bit of a nightmare if they aren't at the same level as the underlay.
    • dc197
    • By dc197 11th Aug 18, 9:38 AM
    • 794 Posts
    • 620 Thanks
    dc197
    I see. Would it be better to reinstall the grippers on top of the hardboard, to avoid such problems?
    • AndyMc.....
    • By AndyMc..... 11th Aug 18, 12:49 PM
    • 2,573 Posts
    • 1,587 Thanks
    AndyMc.....
    I see. Would it be better to reinstall the grippers on top of the hardboard, to avoid such problems?
    Originally posted by dc197
    Yes, but if you're just talking about those two spots in the photos filling it would save a lot of effort.
    don't count your chickens before they're hatched
    • greyteam1959
    • By greyteam1959 11th Aug 18, 5:51 PM
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    greyteam1959
    Stop talking about 'hardboard' you need to use 3mm ply as stated before.
    Hardboard with just disintegrate if it gets wet or damp.
    • dc197
    • By dc197 14th Aug 18, 9:27 AM
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    • 620 Thanks
    dc197
    OK, thanks all
    • casper_g
    • By casper_g 14th Aug 18, 10:02 AM
    • 1,085 Posts
    • 931 Thanks
    casper_g
    Could you just take the damaged chipboard up and relay it with the damaged edges underneath or at the edge of the landing where they won't see any traffic anyway?
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