Superior Walls of America, LTD. has developed the ultimate wall and foundation system for the building industry. The systems consist of pre-cast, studded concrete wall panels with built-in plumbing and electrical access holes. Pre-insulated with DOW Styrofoam, this ready to-finish wall system is manufactured to national standards and recognized building codes with 5,000 psi concrete, eliminating the need for additional waterproofing or tarping.