Commercial Roof Replacement

Our team at Five Star Roofing handles commercial roof replacement projects across NSW and QLD, drawing on decades of experience with both tile and metal systems. We work alongside building managers, strata, and businesses to deliver reliable results, whether it’s replacing storm-damaged roofs or upgrading for long-term performance and compliance.

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Top-Rated Commercial Roof Replacement Specialists in Sydney

At Five Star Roofing, we bring over 20 years of experience delivering high-quality roof replacements for businesses across Sydney. As part of our complete range of commercial roofing services, we’ve handled warehouses, office buildings, retail spaces, industrial facilities, and strata properties.

Whether you’re dealing with persistent leaks, structural issues, or outdated materials, our team provides efficient, reliable replacements that safeguard your business operations. We focus on customised commercial roof replacement solutions, designed to suit the unique needs of each property while minimising downtime and disruption.

Our licensed roofers handle every stage, from safe removal to expert installation, using durable materials built to withstand Sydney’s demanding conditions. We, at Five Star Roofing, guarantee that you get practical advice, transparent pricing, and master workmanship, trusted by Sydney businesses for long-lasting protection and professional results.

 

 

When Is a Commercial Roof Replacement Needed

Knowing when to invest in a commercial roof replacement is key for effective property management in Sydney. Our team at Five Star Roofing has worked with all types of commercial roofing systems, so we understand the range of factors that push your roof past repairs and into full replacement. Here’s what property owners and managers should look for.

End of Roof Material Lifespan

Most tile and metal commercial roofs last between 20 and 40 years, depending on their exposure and material quality. If your roof is approaching this age, deterioration is inevitable, even if there are no obvious leaks yet.

In our experience, Sydney’s climate can speed up wear and tear. At Five Star Roofing, we always start with a thorough assessment to check if staying on top of maintenance is still feasible or if a full replacement is now the safer, more practical option.

Persistent Leaks & Repeated Repairs

Constant leaks and water damage in a commercial building are signs that patch-up repairs are no longer working. Moisture that gets inside can damage internal structures and lead to mould or even business downtime.

If you’re finding repair bills and maintenance are becoming more frequent, our specialists can help with a clear evaluation and let you know if a new roof will actually save you money over more attempted fixes.

Structural Problems & Visible Sagging

Any sign of sagging, warping or dips in the roofing structure points to deeper issues, often from long-term moisture or aging insulation. This isn’t something that can be solved with band-aid repairs. We’ve seen how letting this go too long can put tenancies and safety at risk.

Five Star Roofing’s commercial team will help pinpoint if a full roof replacement is the only safe option to restore building integrity and keep you compliant.

Unsafe or Non-Compliant Roofs

Building codes in Sydney and across NSW change regularly, especially concerning fire safety, stormproofing, and removal of dangerous materials like asbestos. If your roof system doesn’t meet current standards, insurance renewal and tenant contracts can get tricky.

We’re experienced with complete commercial roof replacements that upgrade your building to modern standards and peace of mind.

 

If you suspect your roof is nearing the end of its life or want clarity on your options, our Sydney commercial roofing team can provide a detailed inspection and practical advice. Reach out to Five Star Roofing to discuss the next steps for your property.

 

 

Things to Consider in a Commercial Roof Replacement

Before starting a commercial roof replacement, there are several factors to address for a smooth project. Our team at Five Star Roofing aims to guide Sydney businesses through each step, helping avoid unnecessary surprises and extra costs.

Building’s Structural Readiness

Older buildings in Sydney may hide issues under the surface. We always complete a thorough assessment of your roof’s current state, looking for structural weaknesses, leaks, or outdated components.

Our crew checks insulation, drainage, and ventilation so that any upgrades are straightforward during your commercial roof replacement. Knowing exactly what’s beneath the old roof ensures a safer, more accurate plan.

Material Choice for High Performance

Commercial roof replacement isn’t just about putting up a new layer. Both metal and tile roofing behave differently, and not every building is suited for every product. Our experience with Colorbond® metal and heavy-duty tile systems means we can recommend materials for Sydney’s variable conditions.

We also factor in maintenance, durability, and energy efficiency. Choosing the right material reduces ongoing costs and extends your building’s lifespan.

Project Complexity & Cost Variables

Size, shape, and access all shape the complexity of a commercial roof replacement. High rooflines, limited crane access, and busy urban locations can challenge even seasoned installers. We’re used to managing large, complicated jobs, whether that means working around skylights, dealing with tight schedules, or removing old materials safely.

Our detailed quoting process breaks down the costs, including materials, labour, and waste removal, so that you’re clear on every line item before work begins.

Disruption Management & Compliance

A big concern with any commercial roof replacement in Sydney is minimising the effect on business operations. Our team coordinates closely with site managers to reduce noise and access issues.

We stick to regulations, work to safety standards, and ensure proper disposal of any hazardous materials. If needed, we can stage the project to keep your business running smoothly and within local council guidelines.

 

For clear, reliable advice on commercial roof replacement, you can count on Five Star Roofing to deliver each step with transparency and care. Contact us for a tailored assessment or more guidance on your next project.

 

 

Common Materials Used for Commercial Roofing

Understanding the range of commercial roofing materials helps us deliver the best possible roof replacement outcomes in Sydney. Our team at Five Star Roofing draws on decades of experience with the materials proven to last in local commercial settings.

Colorbond® Steel

Colorbond® steel remains a preferred option for commercial roof replacement projects across Sydney. It offers strong weather resistance, colour flexibility, and suits everything from warehouses to schools. We often recommend Colorbond® for its lifespan, easy maintenance, and compatibility with insulation or custom drainage accessories.

Concrete Tiles

For properties seeking exceptional durability and maximum fire protection, concrete tiles are a robust choice in commercial roofing. They hold up well under Sydney’s varied conditions and need little ongoing care. If your building demands extra structural support, our team ensures correct frame reinforcement during every concrete tile roof replacement.

Metal Roofing Systems

Modern metal roofing options, like zincalume or galvanised steel, allow rapid installation, even over existing roofs, with minimal business disruption. We’re able to customise profiles and fit advanced insulation to suit complex commercial roofs, making these systems ideal for large-scale or retrofit projects.

Flat Roof Membranes

On commercial properties with flat or low-slope roofs, single-ply membranes such as TPO and PVC provide reliable waterproofing and reflectivity. These lightweight materials make them popular for shopping centres or warehouses, particularly where solar or HVAC integration is needed. Our proven expertise ensures all membrane installations meet current Australian Standards and performance requirements.

 

To learn more about which commercial roofing material suits your project, contact Five Star Roofing for a clear, expert assessment.

 

 

Our Process for Commercial Roof Replacements

At Five Star Roofing, our process is straightforward and built on years of experience with Sydney’s harsh conditions. Here’s how our team takes care of commercial roof replacement from start to finish.

Check the Roof Structure

First, we inspect the roof thoroughly, looking at its age, existing damage, and overall structure. We check for issues like leaks, rust, and broken tiles to decide if a full replacement is needed, not just repairs.

Plan & Start Replacement

If replacement makes the most sense, we work out a plan with you. Our team helps you choose the right materials, whether it’s metal or tile, and schedules the work to minimise any impact on your business and to minimise disruption as much as possible.

Remove & Replace Old Roof

We remove the old roofing in sections and install the new system methodically, making sure each layer meets the correct standards. Our team takes extra care with flashing, insulation, and ensuring proper water runoff to suit your building’s design.

Final Inspection & Clean-Up

Once your new commercial roof is fully installed, our team carries out a detailed final inspection to check every seam, fixing, and flashing. We ensure the entire structure is secure and compliant before performing a full site clean-up to tidy up the work site.

 

 

Why Choose Five Star Roofing for Your Commercial Roof Replacement

With two decades working in Sydney and the support of a national network, our commercial reroofing team brings unmatched skills, proper kit for tough sites, and local knowledge to every job.

Fully Equipped In-House Fleet

We don’t rely on external rentals. Our team operates our own range of machines, including telehandlers, lifts, and more. This means your roof replacement begins on schedule and avoids third-party delays.

Equipment for Confined Sites

Our telehandlers (7–14m reach) are built for tight Sydney spaces, such as narrow driveways, steep blocks, and compact sites. They help us work cleanly and efficiently, even in challenging spots.

Licensed, Certified, Trusted

We’re proud members of the Australian Roof Tile Association, Master Builders Association, and Housing Industry Association, which are proof of our commitment to safe, high-standard roofing work across Sydney.

20+ Years of Roofing Experience

Five Star Roofing has managed hundreds of reroofing projects across NSW and QLD, including a wide variety of commercial properties. With 337 years of combined experience, we’re confident of what works in Sydney’s demanding climate.

 

Frequently Asked Questions

Commercial roof replacement in Sydney typically costs anywhere from $150 to $350 per square metre, depending on the size of the roof, chosen materials (tile or metal), accessibility, and project complexity.

Restoration, by comparison, usually ranges between $70 and $150 per square metre and is most cost-effective when the underlying structure is still in good shape. Basic repairs are even more budget-friendly but may only offer a short-term fix if the roof has multiple leaks or widespread damage.

At Five Star Roofing, we recommend a thorough inspection to establish whether a full replacement, restoration, or targeted repairs are the best option for your property. Reach out to us for an obligation-free assessment and honest advice tailored to your Sydney business needs.

The right approach usually depends on the age and overall condition of your roof. If you’re seeing frequent leaks, large areas of rust, many cracked or missing tiles, or ongoing issues that keep coming back after repairs, it’s often more cost-effective to choose a full replacement rather than temporary fixes.

For commercial roofs under 15 to 20 years old with damage that’s limited to a small area, targeted roof repairs might be suitable. However, if you’re noticing things like structural sagging or moisture making its way inside, a more comprehensive solution is likely needed.

At Five Star Roofing, we always recommend a professional inspection to clarify the extent of underlying problems before making any decision. Get in touch with us to book a thorough assessment and we’ll provide upfront, local advice tailored to your Sydney business.

Most commercial roof replacements in Sydney do require some level of council approval or compliance with local regulations, especially if you are altering the roof’s structure, height, or materials, or your building is heritage-listed.

Straightforward replacements that maintain the existing appearance and don’t affect the property’s structure may only need fast-tracked certification through a Complying Development Certificate (CDC). However, if your project involves significant changes, you could need a full Development Application (DA) with your local council, which adds time and paperwork.

At Five Star Roofing, we always recommend checking with your specific Sydney council before starting, as requirements can vary suburb to suburb. If you want help navigating approvals or need reliable advice specific to your property, contact Five Star Roofing and our local team can guide you through the process.

On average, a commercial roof replacement in Sydney can take anywhere from one to three weeks, depending on the size and pitch of your building, the chosen roofing material, and site accessibility. Weather interruptions and any necessary structural repairs uncovered can affect timing, but most projects for medium-sized properties are completed within this range.

While a full replacement is more disruptive than minor repairs, experienced Sydney contractors like Five Star Roofing work around your business hours as much as possible and may stage works to keep critical areas accessible. For particularly large sites or sensitive operations, it’s best to plan for staggered installation or after-hours scheduling to limit downtime.

To get an accurate timeline tailored to your building and operational needs, contact Five Star Roofing for an obligation-free consultation and project plan.

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Call Us: 
1300 782 755

or leave a message using the form below

Contact Form - Sydney

Ready to Get Started?

At Five Star Roofing, we handle everything from inspections to full roof replacements with licensed professionals and proven systems. Our team works across New South Wales, Queensland, and ACT, delivering quality results with no surprises. Request a quote today and we’ll get your project moving.