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Southern Insulation was formed in 1983 and has expanded and grown over the years to have branches in Invercargill, Dunedin, Christchurch and Rotorua. We consider ourselves to be one of the two largest insulation companies in New Zealand both by size and turnover, and by far the largest insulation company working in the South Island.

Since humble beginnings Southern Insulation has grown in size and has diversified in all aspects of industrial insulation. This includes acoustics, fire rating, insulation panel work, asbestos removal and audits, mechanical HVAC insulation, Industrial Insulation from boilers and tanks to geothermal plants.

Over the years, Southern Insulation has worked from Kaitaia to Stewart Island and everywhere in between as well as Australia and the Pacific Islands.

Our Client base includes universities, paper mills, the aluminium smelter, the petroleum and bitumen industry, the building industry, the dairy and meat industry and fishing and timber. If it involves steam, hot water, acoustics or refrigeration, then we have done it.


Meet our Key Contacts:

Ian Hamilton

Group General Manager / Project manager


Ian founded Southern Insulation back in 1983 taking the company from a 1-man operation, and with the help of the current management & staff, to the company it is today.

With over 35-years’ experience & 1,000’s of Asbestos removal jobs completed Ian has a vast knowledge in both Asbestos removal and Asbestos management.

  • Member of the “Asbestos subcommittee NZDAA”

  • Asbestos Assessor: CPCCBC5014A

  • Asbestos Supervisor under Licence RA16100175

  • 2017 JAS-ANZ Technical Committee For review of OHSAS 18001 certification for Asbestos removal

Brennan Agnew

Invercargill Managing Director / Director




Brennan has been an employee of “Southern” since 2006 and holds the current position as General Manager of Invercargill. Overseeing the day to day management of all the current projects & induvial project managers.

Brennan experience and knowledge enable’s his team to oversee multiple Asbestos removal projects of up to 10 at any one time.

• Attendance of international Asbestos conference 2017 Camberra

• Asbestos Assessor: AA16080088

• Asbestos Supervisor under Licence RA16100175

• Conducting Asbestos Assessment CPCCB5014A

Trevor Bell

Dunedin General Manager / Director









Trevor joined Ian at Southern Insulation Invercargill in 1987 and 4 years later moved North to open the Dunedin Branch also starting as a 1-man operation, Dunedin over the past 27 years has evolved into the leading asbestos removal company it is today. With over 30-years’ experience Trevor has an extensive knowledge in the Asbestos Removal & Management industry.

  • Asbestos Assessor: AA16080090

  • Asbestos Supervisor under Licence RA16100175

  • Australian Standards – CPCCDE3014, CPCCDE3015A, CPCCBC4051A, CPCCBC5014A

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