RPM International Inc., through its RPM Performance Coatings Group, has acquired Pipeline & Drainage Systems Ltd. (PDS), a leading supplier of curb, bridge and channel drainage products for construction and infrastructure markets, primarily in the United Kingdom and Ireland. Based in Wakefield, England, PDS has annual sales of approximately $8 million. Founded in 2000, PDS is one of the United Kingdom's leading drainage systems specialists and offers complete solutions for projects, from the initial design and specification through supply and installation. Its Enviro line of products is made from recycled materials and offers significant weight, handling and cost advantages over traditional drainage systems. PDS will operate as a stand-alone business of Universal Sealants (UK) Ltd. (USL), an RPM subsidiary that supplies coatings and construction products for bridges and large infrastructure projects.