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30th August 2020, 07:58 PM #1New Members
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Joining two finger jointed panels
Hi,
I'm new to this, so forgive me if I make any errors.
I'm building a new desktop, and am thinking the easiest way/cheapest would be to join two panels from Bunnings to get the size I'm after. This is one of the panels I'm considering -1800 x 405 x 18mm Finger Jointed Merbau Panel | Bunnings Warehouse
Am I likely to run into any issues? I'm thinking of trimming the join edges to get a clean and square edge, then either using biscuts or pocket holes along with glue to make the joint.
Would appreciate any advise or pointers
Cheers!
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30th August 2020, 11:30 PM #2GOLD MEMBER
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How big do you need?
I thought i remember reading somewhere that biscuits dont really add any structural support, they're just for aligning.
Id go dowels and pocket holes.
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31st August 2020, 08:44 AM #3
Hi; and welcome to the forum!
I take it you want to join these together by their long edges to make a wide board? If so either joining method is fine; biscuits are cheaper and easier to align the two edges. If you choose to go with pocket holes then I highly recommend you buy the Kreg hardwood screws; these have a finer thread. Cheaper brands claim their normal coarse threaded screws are just as good and that the Kregs are a waste of money; after you’ve snapped a few of them you’ll buy Kregs and only use the others on pine.Nothing succeeds like a budgie without a beak.
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31st August 2020, 06:19 PM #4Taking a break
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Given that modern glues produce joins that are stronger than the timber itself, I see no real reason to bother with dowels or screws at all; just a few biscuits for alignment, if you already have a biscuit joiner, and clamp it up.
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31st August 2020, 09:06 PM #5Senior Member
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Would agree with this . Assuming that you want length, Well I'd treat it as any other board product, long grain gluing will be more effective than end grain - so some form or other support should be within the region at least. Would not put an end grain join in the middle of a span.
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31st August 2020, 11:08 PM #6GOLD MEMBER
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What kind of frame/legs is it going on?
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1st September 2020, 07:42 AM #7
Your thinking of trimming the join edges to get a clean square edge ? With what ?
What you need to be doing is known as Jointing the edges . Doing this right is the most important part for this to work . You either need a Jointer / Buzzer and know how to use it . Or if your thinking of hand jointing with the longest plane you have . You need to get both meeting surfaces very true and square so both boards can stand together One on top of the other upright on that joint with no glue or anything else to help it stay there . With them balanced standing one on the other you check it to see what it needs to get it perfectly fitting . No rocking or rolling and ever so slightly hollow in the middle With them both perfectly plumb is what’s needed . With a good fit and biscuits you can have a joint that will last . If it isn’t a good fit nothing else will make it last . Getting a good fit and knowing what that is and looks like , how to read it as your doing it , takes a fair bit of learning and trying at first . And if you don’t do it a while, the skill slips away a bit . Read up on jointing boards or ask more here .
Carry on .
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