Laying 18mm tounge and groove chipboard

Discussion in 'Carpenters' Talk' started by Zubair Nazir, Sep 22, 2021.

  1. Zubair Nazir

    Zubair Nazir New Member

    Hi guys,

    Just wondering if I should just lay the boards and screw them, I've heard you have to glue them with something. What glue would you recommend and is there anything that I have missed?

    Which screws are the best, I hate making pilot holes as it's going to be long winded.

    Cheers guys
  2. woodbutcherbower

    woodbutcherbower Well-Known Member

    Are these flooring panels you’re laying? If so, yes - the joints need to be glued. Fix the panels down in a staggered ‘brick’ pattern. Any decent wood glue will do, such as this;

    It also comes in a bigger 1-litre bottle if you have a large area to do. Run a good dose of glue along the top and bottom of each tongue, and don’t forget the ends.

    For no-pilot screwing, a good quality rifled-shank driving screw is best. For 18mm panels into joists, a 40mm screw is ample. Make absolutely sure that none of the joists have pipes or cables notched into the surface - avoid these obviously, and make sure your joints are nice and tight before screwing down.

    Decent screws from our hosts are these;

    Screw every 500mm or so.
    Last edited: Sep 22, 2021
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  3. Zubair Nazir

    Zubair Nazir New Member

    Hi, thank you for replying. They are 2400 by 600 boards.
  4. woodbutcherbower

    woodbutcherbower Well-Known Member

    All as above then. Hope it goes well !!
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  5. WillyEckerslike

    WillyEckerslike Screwfix Select

    Mark on the boards where any services are as you lay them. This will help anyone in future who may need to access them for whatever reason.
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  6. ElecCEng

    ElecCEng Screwfix Select

    If it’s a suspended ground floor and isn’t insulated i’d do that first as well.
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  7. FlyByNight

    FlyByNight Screwfix Select

    I would use Reisser Cutter 4x40 screws and they will countersink themselves.

    Screw on every joist - around 50mm from te edge and one in the centre.
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  8. pppmacca43

    pppmacca43 Super Member

    I used d4 glue on the tongue and the groove, on the ends too, I also put a bead of glue on the joists as well, I used spax chipboard screws, they were expensive but really were brilliant screws.
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