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How to fix 4" circular warp on table made by coffeemaker. Answered

I had my coffeemaker sitting on a painted, MDF window bench which caused 4" raised warped area/bump. The bump occurs on both sides of the bench top which is about 3/8" thick? This cupping/warp/bump occurred over a period of time. Any suggestions on how to repair the bench?



Best Answer 9 years ago

it seems to be water damage to the mdf. Since it's just painted mdf, I'd say file it down, then sand, and repaint the entire bench (so it matches everywhere). With the wood exposed, use wood filler or similar to get the same smooth surface if there's any gouges or rough texture. Wall joint compound might work too.

Thanks for taking the time to answer my question.  Sorry it has taken me so long to respond but this is the first time I have seen "comments" in my box.  I have all the materials you mentioned at hand so I will be attempting the repair soon.  For now I have a 12x12 piece of porcelain tile covering up the bump.  Thanks again, I appreciate your advice.

Best way:
Cut a 4-1/2" circle containing all of the raised/cupped/warped MDF out of the window bench, Cut another 4-1/2" circle, exactly the same size and shape as the hole in the MDF out of new MDF (or real wood) the same thickness as the bench top. Lightly glue the mating edges, slip the disk down into the hole and carefully tap down until it's exactly level with the bench top. Secure on underside with mending plate(s). Repaint bench.

Probably okay way:
Mask off undamaged areas and shave/plane/remove raised portion of MDF from benchtop. Epoxy a thin piece of luan (that very thin wood you find in the backs of bookcases & dressers & furniture like that) or cardboard over the damaged area. When that's fully hardened, sand it down level with rest of the benchtop, Repaint.

Super-easy, cheap & cheesy, way:
Buy square/cubic box of facial tissues with an attractive pattern printed on the box. Cut a 4-1/4" circle out of the bottom of the tissue box, and fit the hole in the box over the raised bump in the bench. Pretend that just exactly right *there* is where you really wanted to keep a box of tissues all along. :)

Thanks for taking the time out to answer my question.  For some reason, this is the first time I have received "comments".  Oh well, better late than never!  Currently, I am using a 12x12 piece of porcelain tile over the spot.  I think your "okay" way will be the way to go with a few adjustments.  I do like the cheesy way, too.  However, my coffeepot would be displaced and I'd rather have coffee within reach than a tissue box as I rarely sneeze!  Thanks again for the great help!

(Well, I did say the tissue box thing was cheap and cheesy :)

If you still want to keep the coffeemaker in that spot, just putting it on a trivet (or a 12" x 12" porcelain tile) that fits over the bump would be a better and less cheesy solution.

Doing the "Okay" way fix, and then using some some sort of moisture barrier (like, say, a 12" x 12" porcelain tile :) to prevent possible future damage would be a great way to go.

I finally found a 12x12 porcelain tile from the kitchen floor install that works for the time being. One of these days, I'll do a permanent fix, but for now the tile's it! Thanks for all your help.