When I am trying to line up two identical surfaces so that they are back to back, it never lines up right. The sector or surface or whatever is always too high or too low to match the two surfaces up! Even when I zoom way in and with "snap to grid" off!

How do you stop this from happening?

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-Rogue Commandos clan Executive Officer

I would suggest getting Adjoin Jiffy. But WE. If you insist... Make sure you are in one of the assigned views and not at an angle. That always screws things up. Other than that, go into vertice mode (backup first or something) and move the individual vertices. THat's all I can think of now.

if the surfaces are identical, use the snap to vertex option