Alumasc, the sustainable building products, systems and solutions group, agreed to acquire ARP Group, a manufacturer and distributor of specialist metal rainwater and architectural aluminium goods, for £10m. "We are delighted to welcome ARP, along with all our new colleagues to the Alumasc Group. This acquisition aligns with our strategy of accelerating our organic growth with complementary bolt-on acquisitions. ARP will broaden the Group's existing product offerings, and augment the routes to market for both businesses," Paul Hooper, Alumasc CEO.