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    Would you trust this wood joint?


    Red is wood glue
    Blue is silicone caulking
    Green is a screw

    There are three pieces of .75" MDF, viewed from the side. One piece is under the other two, joining and holding them together. The piece on the underside would be around 2" wide.

    Would this be strong or not be able to hold? Using a single piece of MDF is out of the question... Is this a good way to combind two pieces of wood to make one?

    Thanks,
    Brian







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    Re: Would you trust this wood joint?

    It looks ok to me...if its goin to be one side of a box i would put extra bracing on the inside of the box around the area of the joint.





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    Re: Would you trust this wood joint?

    The only thing I would change is to use moisture curing urethane (gorilla) glue for the entire joint, then silicone seal the edges after the joint has dried. Predrill all holes, etc.




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    Re: Would you trust this wood joint?

    depends what the piece of wood is going to be supporting/doing. if you want more strength, make the bottom MDF a bit longer and use 2 screws on each side.(or 4 screws each side if your going to be going 2 screws over the width of the wood, which I would reccomend.)




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    Re: Would you trust this wood joint?

    Yeah - there IS blue on the bottom (inside) of the wood joint... over near the edges of the red on the picture.




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    Re: Would you trust this wood joint?

    Quote Originally Posted by jacko
    depends what the piece of wood is going to be supporting/doing. if you want more strength, make the bottom MDF a bit longer and use 2 screws on each side.(or 4 screws each side if your going to be going 2 screws over the width of the wood, which I would reccomend.)
    Basically what I think I have to do, is build two halves of a box, drop them both in my trunk separately, and then do something like that to screw and glue them together.




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    Re: Would you trust this wood joint?

    i would trust it as long as it was braced from where the joint meets to the other side of the box wall, or 2 braces angled to the floor or roof or sides of the box from where the joint is.




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    Re: Would you trust this wood joint?

    (or on either sides of the joint)




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    Re: Would you trust this wood joint?

    All you need to do is glue and clamp those edges together and let it cure overnight.



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    Re: Would you trust this wood joint?

    do you have acces to a biscuit cutter? im sure that would work but if you do have access to one id use that, it holds it and makes the joint almost stronger than the mdf itself




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    Re: Would you trust this wood joint?

    Quote Originally Posted by vosschs
    do you have acces to a biscuit cutter? im sure that would work but if you do have access to one id use that, it holds it and makes the joint almost stronger than the mdf itself
    Thats what I like to hear. THX




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    Re: Would you trust this wood joint?

    what's a biscuit cutter?




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    Re: Would you trust this wood joint?

    Biscut cutter cuts a small section out of the wood to fit a small peice of wood into it. with glue it joins the insides of both peices fo wood.




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    Re: Would you trust this wood joint?

    my guess is that it cuts wood in a jagged fashion




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    Re: Would you trust this wood joint?

    this is a biscuit joint (id make the 'biscuit' larger tho)



    or you can do a tongue and groove (just get the router bits)



    here is a bridle joint - pretty similar, but bigger tongue and groove. not sure how well it would work with MDF tho.





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