Welcome to Industrial Plasters Established in 1976, Industrial Plasters Ltd is a dedicated and experienced supplier of British Gypsum/BPB Formula and Siniat Prestia casting and fibrous plasters (commonly known as gypsum or Plaster of Paris), and other related moulding and casting materials. We believe in friendly, rock-steady customer service and throughout our extensive experience, have moulded the reputation of our motto: Proven Reliability