Enrico Konig
Posts: 74
Joined: 2006-01-06
Location: Vancouver, BC
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I myself have grown a bit suspicious of mdf, due to the fact that twice now I have had delamination issues, where the veneer was able to pull off the outer layer of the mdf. No problem with the urea resin glue line between the veneer and mdf -- the problem was with the mdf itself. Yes, this may have been bad batches of mdf that weren't made with enough resin. In my telephone conversations with Darryl over these failures, he advised to start using furniture-grade particle board. He also advised me to skim coat the veneer surface with epoxy, to lock in the veneer from the top. I am now doing the skim coat with everything.
The other issue with you Mike is wanting to screw legs into mdf -- not good. Definitely weak on the screw-holding power. Especially for something with leverage such as a leg. If you are still comfortable using mdf, as it does have certain advantages (when it holds together), I would advise making up your own lamination using a good quality plywood as the core, with 1/8" or 1/4" mdf on each side. That way you get the mdf to veneer on, with the actual plywood to screw into. I have done this numerous times in the past.
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