Gm polystyrene have been trading 40 years from their hq in ystrad mynach mid glamorgan. Established in 1989 gm polystyrene are one of the leading expanded polystyrene suppliers in the uk. Supplying the building, construction, film, television, packaging insulation, industries as well as one of the largest recyclers of expanded polystyrene. We are able to hot wire cut, drill, groove, shape, route,profile any shape required.
GM Polystyrene Ltd
14 – 15 West Road
Penallta Industrial Estate
Hengoed
Caerphilly
CF82 7SW
