International Intertuf 16

International Intertuf 16 is a one pack, high build bituminous coating for use behind linings and in cofferdams for the protection of enclosed steel. Highways Approved Item No.141.

Best Uses

International Intertuf 16 is formulated for use behind linings and in cofferdams for the economic protection of enclosed steel. For use at Newbuilding, Maintenance & Repair or On Board Maintenance. Highways Approved Item No.141 for the protection of structural steelwork.

Application

Use in accordance with the standard Worldwide Marine Specifications. All surfaces to be coated should be clean, dry and free from contamination. High pressure fresh water wash or fresh water wash, as appropriate, and remove all oil or grease, soluble contaminants and other foreign matter in accordance with SSPC-SP1 solvent cleaning.

NEW BUILDING
Where necessary, remove weld spatter and smooth weld seams and sharp edges. Weld seams and damaged areas should be blast cleaned to Sa2½ (ISO 8501-1:2007) or power tooled to Pt3 (JSRA SPSS:1984). For zinc primers, grit sweep to AS2 International Paint Sweep Blast Standards or power tool to Pt3 (JSRA
SPSS:1984).

MAJOR REFURBISHMENT
Abrasive blast clean to Sa2½ (ISO 8501-1:2007) or SSPC-SP6. If oxidation has occurred between blasting and application of Intertuf 16, the surface should be reblasted to the specified visual standard. Surface defects revealed by the blast cleaning process, should be ground, filled, or treated in the appropriate manner.
For zinc and unapproved shop primers, grit sweep to AS2 or AS3 International Paint Sweep Blasting Standards or power tool to Pt3 (JSRA SPSS:1984).

REPAIR
Prepare bare areas of steel by blasting to Sa2½ (ISO 8501-1:2007) or power tooling to a minimum of St2 (ISO 8501-1:2007). Loose or flaking coatings should be removed back to a firm edge and Intertuf 16 should be applied to overlap the existing coating by 2-3 centimetres (one inch) .