NFSJ-100 SEISMIC EXPANSION JOINT FLOOR TO FLOOR 100 - 400 mm Expansion Gap Features Surface: Aluminium Strips Sealant System Option Gap width(s) 100 - 400 mm Height(s) 68 mm Metal type(s) Aluminium 6063, T6 Seal Color(s) Sealant Colors Waterproofing Moisture barrier