My wife & I just built a new modular home last october. The problem we are having is with the basement. The basement walls are Superior Walls. The basement floor has over 25 cracks in it and the superior walls have 18 cracks as of now. My builder claims this is all normal but I disagree and other contractors and cement experts disagree also. I found out the floor was poured on #1 limestone gravel, wasn't compressed and has no vapor barrier under it. I am starting to get black mold on my stairs leading to upstairs and on my floor joists. The builder will not admit to any wrong doing. The subcontractor that pour the floor is a friend of mine and told me about the shortcuts that were taken with the basements. We have an appointment next week with an attorney to see what needs to be done. I do have someone coming tomorrow to look at the problems and give me an estimate of what needs to be done. I would also like to hear from anyone else that may have some comments on this issue. I am located in Pennsylvania.