Fire Rated Partition Walls Structurally Engineered to 26m High PJS Solutions is focused on providing solutions for very high, robust fire rated / acoustic partition walls with its very own “PJS "F" Series Partition Solution” for the commercial and industrial markets throughout the United Kingdom and selected International locations. PJS Solutions partitions and composite walls are designed to suit the layout and configuration of each building. Our Structural Engineers design each installation separately. Structural calculations form the basis for the partition design. Our solutions are over engineered so that they never fail.