What is Passive Fire Protection?

Passive Fire Protection is about Stability, Integrity, Insulation Fire Protection and Fire Safety in a building. It aims to contain fires or slow the spread such as by fire-resistant walls, floors, and doors. Passive Fire Protection must also comply with associated building act AS1530.4 and AS4072.10 of the New Zealand Building Code.

Our team provides passive fire protection services to valued NZ clients throughout Wellington and Auckland.



We’ve recently expanded our passive fire-stopping and structural protection services to include a range of additional fire safety solutions. Our passive fire protection specialists provide intumescent fireproofing, conduct 3rd-party surveys and inspections, passive fire compliance and consulting, and Building Warrant of Fitness.

These comprehensive fire protection efforts reinforce our dedication to delivering excellence in commercial construction fire safety. View our recent fire protection projects to see what we can achieve for your building.

Our Partners

We work closely with trusted supplying partners and industry to ensure that our clients receive the very best service out there.


“Just wanted to email and thank you for your work on Pullman project, myself and all of the Dominion Team appreciate how fast and efficiently you get work completed, often at short notice. Your technical knowledge is also very high which has been a huge help to me especially for the naked wall system we have been using in the central core and corridor walls.
You have been very friendly and helpful which is always appreciated as we don’t always get that.Thanks for your help mate and keep up the good work, I hope we get to work on more projects together going forwards”

Liam Delahunt – Dominion Constructors Ltd

‘Working with Optimal Fire has been a pleasure for Safari, Optimal recently completed service penetration passive fire works and additional passive fire support to the entire project to a high standard with impressive and substantial QA. Optimal Fire worked well alongside Safari and weren’t afraid to apply extra resource and efforts to progress our development. Would recommend and look forward to working together again.

“Optimal Fire’s professional and dependable approach was a great asset to have on site. Especially with the upgrade of an existing building where the passive fire design doesn’t always work out as planned. I’m looking forward to working with Ray’s team in the future”
Armstrong Downes

“I am writing this letter of reference favouring Optimal Fire Limited who has been one of our very valued subcontractors for the past year. They are accredited in the line of their activities, and it is my pleasure in recommending them as a company to do business with.
Optimal Fire Limited have certainly proven themselves to be one of the best passive fire protection companies I have dealt with.
We wish them good luck in their future endeavours.”
Watts & Hughes

“Firstly would just like to say, thank you for all the hard work of the guys, they have put in some late nights and were there all weekend. A massive effort and a fantastic achievement to deliver this part of the works on time.”
L.T. McGuinness

“Optimal Fire helped provide us with passive fire solutions for our new ground floor unit.
Their quote was competitively priced, and they were awesome to deal with – really thorough, very responsive to requests, and thoroughly professional. Highly recommend!”

“Optimal gave great technical advice on many awkward and unorthodox details which contractors I have previously worked with would not be able to, which helped us pass the fire engineers and council inspections. The Site Manager managed the project very well and provided great service when we needed guys onsite as well as fast and efficient installation when he was onsite.
Its been a pleasure working with him and I couldn’t be happier with his effort and service.”
Dominion Constructors Ltd

Open Hours

Monday - Friday
8:00am - 5:00pm

7 Tamariki Avenue
Auckland, 0931

Contact Us

New Zealand
+64 21 084 578 58