Treforest tinplate works

listed.^[1][2]

sulphuric acid and sulphate of iron which resulted in discolouration of the river and its banks.^[5] The works went into decline in the 20th century and in 1939, when production ceased, there were only 4 working mills. The last operator of the works was Richard Thomas & Co. In 1941 the Ministry of Supply requisitioned the works for storage, and by 1946 several buildings had been demolished as part of the Tinplate Redundancy Scheme, an initiative established to tackle disused tinplate works. The site then came under the ownership of the South Wales and Monmouthshire Trading Estate.^[1]

casting house and workshop, a workshop, and the tinning house. The final stages of the manufacturing process took place in the tinning house which was where the iron sheets were coated of molten tin.^{[7][8][9][10][2]}