Hey mxaexm and everyone else,

Have a look at my first build thread, http://www.rcuniverse.com/forum/m_8578958/tm.htm where you can see some of my building table.

Even though it may not answer the question of getting a perfectly flat building board, it does show a possible solution. My building board is indeed very flat (perfectly flat is nearly impossible with throwing a load of cash at it) and it was not an easy thing to do but it works great. Living in Puerto Rico presents problems with humidity, just like Florida. What I did was to purchase the best (read almost warp free) door that I could find and then attach a sheet of galvinized metal to both sides. When attaching the metal I used a "jig" made of 1x2 steel tubing making sure that the assembly was flat and warp free. I then screwed the door to this assembly and attached the first sheet of metal useing the minimum amount of contact cement. Next I removed the door from the assembly, turned it over and did the same to the other side.

Doing this accomplishes two things. One is that it gets the door flat, second is that it make it just about humidity proof. The exposed wood was then sealed with marine varnish, marine varnish will stretch with temperature changes along with the door and will not crack as easily over time and help keep the door "humidity proof". The sheet metal to keep the door "humidity proof" also and keeps it from expanding too much.

Now I know most people do not build with magnets, but this door covering method can still be used for pins, just put a peice of sheet rock (or whatever)on it and there you go.


If you want more detail (there is much more to the process than what I wrote) just PM me and I will go through the whole thing with you, then you can decide if it is something you want to do.


Miguel