Fireshield® provides water-based and solvent-based intumescent coatings for interior and exterior structural steel for 30, 60, 90 and 120-minutes FRR protection. All Fireshield steel coatings can be specified as a complete Fireshield system, or combined with other manufacturers approved primers and topcoats, see the Approved Primers and Top Coats list. Recently completed testing allows Steel 1001 and Steel 1002 to have timber and plasterboard attached directly to the coated surface,