HOME ABOUT US PROJECTS HELP DESK Xi FOUNDATIONS NEWS & PRESS CONTACT US MAP & DIRECTIONS WHY SUPERIOR WALLS? It's all about the design... Superior Walls of Central Virginia utilizes the Xi Foundation & Above Grade Wall model for it's superior energy efficiency, incredible strength, and waterproof seals. | more info Please click here to be taken to our photo album of projects. HOME | ABOUT US | PROJECTS | Xi FOUNDATIONS | HELP DESK | NEWS | CONTACT US | Superior Walls of Central Virginia | Precast Concrete Homes | Reinforced Insulated Foundations | Above Grade Walls | Energy Star Compliant