Tarmac Group business was acquired by Anglo American later that year. In 2010, the group was separated into Tarmac Limited and Tarmac Building Products. Anglo American merged Tarmac Limited with the United Kingdom assets of Lafarge in 2013 to form a 50:50 joint venture, Lafarge Tarmac (now Tarmac Holdings). Tarmac Building Products was subsequently sold to Lafarge Tarmac in 2014. The company was originally formed by Edgar Purnell Hooley as the Tar Macadam (Purnell Hooley's Patent) Syndicate Limited in 1903. The distinguishing feature of the new process was that it "tarred" cheap blast furnace slag, a steelworks by-product, rather than expensive roadstone
Playground surfacing States and Canada the International Play Equipment Manufacturers Association (IPEMA) provides a third-party certification service enabled by appointing a testing laboratory to determine if a particular surface conforms to ASTM standards F1292, F1951, and F2075. IPEMA’s seal on a provider’s document is clear evidence that the covered material has met these tests. Owner/operators should request a copy of this certification for their own protection. Some suppliers do not offer proof of certification and mere membership in IPEMA does not mean that a particular supplier’s material has been certified. A list of certified suppliers can be found at www.ipema.org. Playground surfacing