Wave goodbye to marine growth & corrosion

Specialist marine services

Specialist Marine Services

Intergroup has provided ship cleaning, surface preparation and painting services across NZ for 35+ years. This includes work at Devonport’s Calliope Drydock, Lyttelton Drydock, Titan Marine Slipway in Auckland, and slipways in Whangarei, Nelson (Calwell), Dunedin and Timaru.


Marine Water Jetting

Intergroup is an industry leader in high pressure and ultra-high pressure water jetting for industrial and marine surface cleaning and preparation.

Abrasive Blasting

Abrasive Blasting & Industrial Coating

Intergroup has provided abrasive blasting and coating services to customers nationwide for over 35 years. We offer a ‘smooth service and smooth finish’ for Structural steel, Construction componentry, Plant and machinery maintenance, Marine (componentry, plant, and ships), Buildings and Fencing.

septic tank cleaning vacuum loading

Marine Vacuum Loading

Interclean provides vacuum loading for numerous clients in different sectors (including marine, industrial, local government, construction, dairy, civil contracting, and even fast foods) across New Zealand and internationally.