Commercial Metal Roofs & Cladding, Auckland

Topline Roofing has been installing commercial long-run metal roofing and wall cladding across Auckland for around 40 years, working with construction companies, developers, property managers, and facility managers on projects ranging from warehouse and factory re-roofs through to schools, retirement villages, churches, and multi-storey commercial developments. We hold Totika Impac 5 Star Prequalification and SiteWise Gold 100% for 9 consecutive years.

Looking for a commercial roofing company in Auckland to replace, or supply and install a new metal roof and metal cladding? Topline Roofing are the team to choose for your long run metal roofing solution.

Whether it's a new factory roof, school roof, warehouse, office block or retail space, our metal roofing specialists are one of Auckland's leading roofing contractors. Although our commercial roofers are based in Newmarket / Epsom, our roofing teams are proud to install top quality commercial metal roofs from small to large clients across the greater Auckland region.

We also install residential metal roofs >

Commercial Roofing Replacement and Installation

Topline Roofing's experts have vast experience in installing roofs over a wide variety of commercial projects across Auckland. Whatever your roofing requirements, our operations team will make it a smooth and efficient process, ensuring Topline Roofing's high workmanship standards are upheld and the job is completed on time and on budget.

Why is Metal Roofing so Popular in New Zealand?

We have experience across all properties, commercial and industrial complexes, retail and corporate premises. We also offer residential roofing services.

A new roof may seem like a large financial commitment at first, but with the right specification and aftercare, a new metal roof can last for 20 years or more - and with premium products such as COLORSTEEL® Maxam™, warranties of up to 50 years are available. Metal roofing is ideal for commercial buildings as it can withstand harsh weather conditions, is easy to maintain and keep clean, and most importantly is weatherproof when installed correctly. For more on how roofing products perform in extreme weather conditions, see our roofing and extreme weather guide.

"Topline replaced the roof on our commercial property. We are very happy with the outcome. The project was delivered professionally, Communication was first-rate."

Michael D

How Topline Roofing Can Help

Topline Roofing's team of dedicated Technical Consultants, Estimators, and Project Managers are on hand to offer professional advice on the best roofing solutions. We understand that no two properties are the same and that requirements differ from building to building. For instance, factories and warehouses may benefit from the addition of clear sheets, which allow natural light into the space and save on lighting and electricity costs. We can also supply and install a range of roofing accessories including insulation, customised flashing, gutters, rainheads, roof ventilators, roof anchors, and walkway systems. Topline Roofing's technical consultants can customise a solution that fits the specific needs of each commercial property.

What to Expect When Replacing a Roof

A representative from Topline Roofing will take measurements and evaluate which materials are most suitable for the roof. This is the time to address any specific technical queries and discuss colour options. The job will be priced up and a written quote provided. On acceptance of quote, Topline Roofing will organise a pre-let meeting where all aspects of the job and project management will be outlined, including the processes to manage materials, tenants, and site access. Topline Roofing is also able to project manage any external suppliers such as scaffolders, painters, electricians, and asbestos removal specialists if required. Topline Roofing is also able to provide plumbing, gasfitting, and drainage services, including the installation and maintenance of commercial backflow devices.

Click here for a detailed description of Topline Roofing's Commercial Project Management Process.

Benefits of Metal Roofing

Topline Roofing specialises in metal roofing for good reason. The main advantages of a metal roof include:

• Durability: metal roofs are full length and pre-painted to last
• Maintenance: metal roofs are easy to clean with a pressure wash
• Customisable: metal sheets come in different styles and can be combined with clear sheets for natural light
• Weather Resistant: metal roofing stands up to harsh Auckland weather, utilising proprietary flashings
• Sustainability: long-run metal roofing products including COLORSTEEL® and Colorcote are 100% recyclable at end of life
• Strength: metal roofs actually brace the structure and make it stronger

Topline Roofing installs long-run metal roofing products including COLORSTEEL®, Colorcote, and Dimond profiles, all available in a wide range of profiles and colours to suit commercial and industrial applications. All are 100% recyclable at end of life and backed by manufacturer warranties. See our suppliers and partners page for the full range of products we work with.

Commercial & Industrial Metal Roofing Projects

See our work across warehouses, factories, schools, retirement villages, and commercial developments in our roofing projects gallery. Selected metal roofing projects include the Summerset St Johns retirement village, the Viking Factory, Otara, and the St Patrick's Chapel at Dilworth Senior Campus.

Related Roofing Services

Metal roofing works well alongside other commercial roofing solutions. For buildings where energy efficiency, condensation control, and acoustic performance are priorities, a warm roof system uses long-run metal roofing as the weatherproof finish on pitched roofs, delivering significantly better thermal performance than a cold roof alternative. See our commercial warm roof systems page. For large warehouse and factory roof projects, see our warehouse and factory roofing page. For solar-ready metal roofing, see our solar-ready roofing page.

Topline Roofing are The Roofing Experts

The Topline Roofing team are highly skilled professionals. We stand by our work and our customers know us for our exceptional standards of quality and expertise, which is why we provide our customers with warranties for all commercial roof replacements. Topline Roofing works with trusted suppliers and brands including RoofLogic, Roofing Industries, Dimond Roofing, and Steel & Tube, and also offers a Programmed Asset Maintenance service to ensure that the conditions of those supplier warranties are satisfied. With regular maintenance, any roof we install will remain weathertight and in excellent condition for years to come.

Health and Safety is our Top Priority

Topline Roofing is proud to have achieved a Totika Impac 5 Star Assessment Rating, as well as SiteWise Gold Status with a score of 100% for 9 years running. Fewer than 3% of businesses have attained Gold Status, which shows our ongoing commitment to providing a safe environment for both our team and our customers. Health and safety is at the heart of everything we do and Topline Roofing will continue to maintain these exceptional standards by making health and safety our top priority. Topline Roofing is a member of RANZ (Roofing Association New Zealand).

Get in touch with Topline Roofing's knowledgeable team of roofing experts now to see how we can help with your commercial roofing requirements. Request a quote, enquire online or phone 0800 555 818.

Commercial Metal Roofing FAQs

What is long-run metal roofing?

Long-run metal roofing uses continuous metal sheets formed to length and installed from ridge to gutter without horizontal joins. This reduces the number of potential leak points and delivers a clean, durable weatherproof finish. All quality metal roofing products use a baked-on paint system - a factory-applied coating that is significantly more durable than field-applied paint. Primary products include COLORSTEEL® and Colorcote ranges, including ZincaCore™ for moderate conditions, MagnaFlow™ for more demanding environments, and AlumiGard™ for the harshest coastal and industrial conditions. Long-run metal roofing is one of the most widely used systems in New Zealand for commercial, industrial, and residential buildings.

How long does a commercial metal roof last?

Service life depends on the product specified, site exposure, maintenance, and environmental conditions. Topline Roofing advises on the most appropriate product for your building and location at the quoting stage, and provides full details of the applicable manufacturer warranty on completion. For standard commercial conditions COLORSTEEL® Maxam® offers excellent corrosion resistance with warranties of up to 50 years - a significant advance on previous product generations. For extreme coastal or industrial environments, COLORSTEEL® Altimate™ and Colorcote AlumiGard™ are engineered specifically for the harshest conditions. See our roofing and extreme weather guide and our COLORSTEEL® Maxam guide for more detail.

Can metal roofing be installed on any commercial building?

Long-run metal roofing is suitable for a wide range of commercial and industrial buildings from low-pitched warehouse and factory roofs through to steeply pitched school buildings, churches, and office developments. The profile, fixing method, underlays, and product specification are all selected to suit the roof pitch, building type, and site environment. Topline Roofing will assess your building and recommend the most appropriate system.

Can solar panels be installed on metal roofing?

Yes. Long-run metal roofing profiles are highly compatible with solar panel mounting systems, with non-penetrating clamp-fixed mounting hardware available for most profiles. Topline Roofing can prepare a metal roof from the outset to accommodate solar, including specifying compatible profiles, installing mounting hardware, and preparing cable conduit pathways. See our solar-ready roofing page and our solar incentives guide for more.

Does Topline Roofing also install wall cladding?

Yes. Topline Roofing installs both roof and wall cladding systems on commercial and industrial buildings, including full recladding projects where both roof and walls are replaced simultaneously. Completed projects include the B:Hive building at Smales Farm on Auckland's North Shore, the Ormiston Town Centre retail and cinema complex in Flatbush, and multiple Auckland school buildings including Freemans Bay School. Combining roof and wall cladding in a single project is often more cost-effective and less disruptive than managing them separately.

What metal roofing products does Topline Roofing work with?

Topline Roofing works with leading NZ metal roofing manufacturers including COLORSTEEL® and Colorcote product ranges, as well as profiles from Dimond Roofing and Roofing Industries. All feature baked-on paint systems applied in factory conditions for long-term durability, UV resistance, and colour retention. The steel substrate in metal roofing products is recyclable at end of life. See our suppliers and partners page for the full range of products we work with.

How do I know if my commercial metal roof needs replacing?

Key signs include active leaks, water getting in through the roof, widespread corrosion or rust, deteriorating flashings and cappings, fasteners pulling through the sheet, and a roof approaching or beyond its expected service life. For buildings in coastal, elevated, or high wind zone locations, deterioration can occur more quickly. Topline Roofing can arrange a professional roof inspection and written report to assess the condition of your roof and recommend the most appropriate course of action. See our roof reports page for more, or request a quote to discuss your requirements.

Which metal roofing product is best for my location and environment?

The right product depends on your site's environmental conditions, primarily its distance from the coast, exposure to prevailing winds, elevation, and whether industrial or geothermal conditions apply. As a general guide: COLORSTEEL® Altimate™ and Colorcote AlumiGard™ are engineered for extremely severe and coastal conditions; COLORSTEEL® Maxam® and Colorcote MagnaFlow™ suit severe to moderate conditions; and Colorcote ZincaCore™ is suitable for moderate inland environments. Topline Roofing will advise on the correct specification for your site. See our roofing and extreme weather guide for a full product comparison by environmental category.

Does metal roofing suit Auckland's coastal and humid conditions?

Yes, with the right product specification. Auckland's climate presents varying challenges depending on location. Coastal and waterfront properties require higher-specification products such as COLORSTEEL® Altimate™ or Colorcote AlumiGard™, both engineered for marine environments. Properties in urban Auckland away from the coast are well served by COLORSTEEL® Maxam® or Colorcote MagnaFlow™. Auckland's humidity is less of a concern for metal roofing than for uninsulated cold roof assemblies. A warm roof system with metal finish effectively eliminates condensation risk regardless of location. Topline Roofing will specify the correct product for your exact site conditions.