MDF Board Joining

Hamfist | 16:05 Wed 26th Jan 2011 | DIY

9 Answers

How is it best to join 2 boards of 9mm MDF edge to edge? Tried using a 10cm batton, Gllued and screwed with 3/4 screws, fell apart as board was too heavy. Is a wider batton the only answer??????

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Count-A-Strong

Vertically or Horizontally?

Hamfist

Question Author

Horizontal join,

Count-A-Strong

The MDF should really double rebated or biscuit jointed. As you don't give the lengths of the two boards and where the joint is, or the width, trying to give a proper answer is a bit like juggling soot.

Hamfist

Question Author

Good plan Count Arthur! 1220x610 joined along the 1220 side. Now if it is soot juggling you want to know about..........

Count-A-Strong

Double rebated would be simplest with a 75 x 25mm SW batten along the joint. MDF is a bugger to get a neat finish with on the butt hence many people chamfer the edges to make it look deliberate.

http://jugglingsoot.blogspot.com/

Hamfist

Question Author

Thanks Count A off to the shed!

The Builder

Ham........ I know The Count is on the case, but, wouldn't it be a lot easier to buy a 2420 x 1220 sheet and cut it in half?

The Builder

oops ......... 2440 x 1220 ^^^^

Hamfist

Question Author

Hi builder, good idea was trying to use materials I already had. Will give the rebating a go in the morning, if all else fails i will then go and buy a full sheet of Ply which would look better anyway! :)

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