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repairing MDF

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rsoandrew:
Has anybody come up with a decent way to repair banged up corners/edges on MDF? Not really interested in a restore, just want it to look a little nice.

abrannan:
If its just banged up, usually some sandpaper and maybe some wood filler can do the job.  Corners are a bit trickier, and you probably won't be able to get a nice sharp corner.  The real problem is water damage, where hthe wood has expanded and is flaking apart.  For that you really can only cut off the damaged part and put in a patch made from another piece of MDF and blend the seam with wood filler putty.

Apollo:
For corners just use corner protectors available from many places including Happ.

Lance:
I had the corner on my centipede chip off, and a repair with wood putty chip off as well.  Last weekend I fixed it with bondo and so far it seems super strong.  Bondo seems to stick well to almost anything.

dmsuchy:
Lance is right, bondo is the best for repairs on MDF, wood putty shrinks too much and dosen't adhere as well as bondo also bondo is much harder!

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