My basement is typical construction, concrete floor and block walls. This winter's project is to make it a 'finished' basement, but nothing high-dollar/high maintenance. The main goal is to make it warmer and cut down on condensation problems I have. All summer the cold walls/high humidity made everything sweat, and there wasn't much I could do to keep the humidity down. Got some mold on furniture, a musty smell, and tools started rusting in the tool box. I have no leaks, and there is no vapor barrier under the slab but the walls have one. I know, the slab should have one. It doesn't though, so this is what I have to work with. Also it's a 'daylight basement' and I park bikes there in the winter, so the floor covering needs to be able to support that type of use. Nothing heavy really, just a few dirt bikes/dual sports. 350LBS max. After weeding through many websites and information it seems like the best idea is this: Walls: Spray glue insulation sheets to block. Screw furring strips through insulation into block, then screw drywall to that. Use no plastic or vapor barrier. Tape insulation sheets to seal them together, then seal the top but leave the bottom unsealed. Sound right? Tapcon screws sound good? The sheets I was looking at in Lowe's come in 1" thick sheets for $16 and 2" thick for $32. I was planning on the 2" I think, unless someone can talk me out of it. I heat with wood so the ROI is going to be terrible for me either way. The walls are 8' 3" to the bottom of the floor joists, so 8' sheets would work fine. Cheat them down 1/2" and seal the top there, and the bottom gap would be taken up by the flooring. Floor: Here's where I keep seeing conflicting arguments. Sheet insulation laid out, OSB on that, then flooring material. I'm not sure the best way to secure it, or prevent warping. I also find sites that say to put plastic down to seal out vapor, then other sites say the plastic will cause problems due to mold and never having a chance to dry out. For the flooring material itself I'm planning on going with something cheap and easy to clean. Vinyl sheeting would probably work fine I think, although I've never installed it. Something like this: http://www.lowes.com/pd_375548-5527..._product_qty_sales_dollar|1&page=1&facetInfo= For the insulation I was thinking 1" should probably be sufficient here. I doubt there's much heat loss through the floor, and the rest of the flooring should help make up the difference. Under the entry door I have a max of 1.5" to play with, so that would be a consideration also. I'm halfway thinking about leaving that section concrete and just put a mat down, I'm not sure. Even with using 1" insulation I'd gain probably 2" in height, so something different would have to happen there. Again, it doesn't have to look perfect as long as it works. Also part of the basement floor will have to wait until later, if at all. This is a winter project so moving the furnace isn't happening yet. It's a wood-fired furnace, so either way the floor around it will need special consideration. I'll likely section off that area then use a more fire-resistant flooring later on. Any ideas? Anything I said that I should change or consider something different? I live in Ohio, it rarely gets below 20 and generally warms up to about 30 or 35 every day in the winter.