I have a 23 year old house with a below ground poured concrete basement. I'd like to put a few sheets of plywood on the top half of the wall to hang shelving and cabinets. There are currently no moisture issues, other than a VERY small infrequent leak around a tiny 1/4" pipe that is coming through the wall. It only happens in periods of heavy rain. I don't even know what the pipe was for, it has been cut at the wall, and pinched shut. The leak is not from the pipe itself, but the seal around the pipe. I'll probably end up digging it out a bit and re-sealing it. Not a big deal.

I plan on putting the plywood up in one of 2 ways. First, I will put a simple moisture barrier between sheet the concrete and plywood. Then I will either screw through the plywood directly into the concrete, or add vertical spacers (3/4" thick and about 2" wide) to the concrete, and attach the plywood to this. Does anyone see a problem with either method?