Cairngorm Capital Partners-backed Grant & Stone Group, an independent builders' merchant group, completed the acquisition of RGB Building Supplies, Buildit Gloster and Total Plumbing Supplies, three building materials companies. Financial terms were not disclosed. “It has been a tremendous experience to work with Cairngorm Capital over the last 15 months and to implement our growth strategy. Grant & Stone is at a really exciting point in its development and we are fortunate to benefit from strong investor support, exceptional products, first-rate employees and a well-deserved reputation for superior service. We welcome RGB’s CEO Kevin Fenlon to our Group Board and are excited about the opportunities that these acquisitions bring,” Nick House, Grant & Stone’s Group Chief Executive.