Keywords: Tamped spray.jpg Tamped Spray Fireproofing on board a ship The fireproofing consists of a mixture of rockwool fibres with cement and common concrete addmixtures Tamping means that after the spraying the fresh fibrous spray was flattened down Own 2006-11-10 Achim Hering Plaster Firestops Fireproofing Structural steel BC Ferries |