Weaver Precast is an Ephrata, PA based Superior Walls manufacturer and installer specializing in complete Superior Walls foun ... dation systems –from design to installation. Our team serves homeowners, architects, and home builders who want a reliable foundation system that won’t leak or crack, a common occurrence with standard foundation block walls. We are the original producer of Superior Walls products in the United States. Our customers rely on our expertise and precision to keep their projects on schedule and for work they can trust to be done the right way. Superior Walls have a 15-year guarantee against side wall leaks and cracking. Contact us to learn more or to ask us a question. read more