A plastisol office is named purely from one of the products used in the building of the cabin and that is a plastic coated galvanised steel sheet. There are mainly two types used in the construction with the old method being a plastisol coated galvanised steel sheet being bonded to a plyboard so that outside of the cabin has a steel finish and is also rust proof. The second method is again similar except the Plastic coated galvanised sheet is bonded to a polystyrene or foam type block. These sheets are fixed in to the structure framework of the cabin being built to form the walls