The site at Aberthaw was chosen as it was near the necessary raw material, limestone and coal from the South Wales coalfield which was needed to heat the kilns. The works started in 1914 with two small wet process kilns with a production capacity of 120 tonnes per day each.
The Aberthaw site was chosen because it was close to limestone and coal, which were needed for heating the kilns. The project started in 1914 with two smaller kilns that could produce 120 tons of output daily.