With the prolific uptake of residential roof top solar in Brisbane and Australia in general, home owners may be prompted to consider the condition and serviceability of their roof both by way of cladding condition and structural integrity more than in previous decades before solar existed and become so popular. Homeowners are discovering the critical importance of roof condition before committing to their solar investment.
Why Roof Condition Matters More Than Ever
The surge in residential rooftop solar installations across Queensland has prompted homeowners to scrutinise their roof condition more carefully than once before. This heightened awareness isn’t just about aesthetics – it’s about undertaking the solar installation in the correct chronological steps to avoid wasted money in the future of temporary removal and installation of solar panels.
Solar installers are increasingly cautious about working on compromised roofs, particularly older terracotta tiles or structurally questionable surfaces. In many cases, they’ll refuse installation entirely rather than inherit potential liability for existing roof problems.
The Hidden Costs of Poor Timing
Longevity and Performance Impact Solar panels are engineered to last 25-30 years, but their overall value can be severely compromised when installed on a deteriorating roof. A professionally restored roof provides the solid foundation your solar system needs, preventing future issues like leaks, structural instability, and the cost of temporary panel removal.
Cost Savings Through Strategic Planning The financial benefits of roof restoration before solar installation are substantial. If your roof is nearing the end of its serviceable life or showing signs of damage, addressing these issues beforehand is significantly more cost-effective than reactive repairs. Post-installation roof repairs often require panel removal and reinstallation, potentially doubling your maintenance costs.
Future-Proofing Your Investment By addressing roof issues before solar installation, you’re creating a solid foundation that protects both investments. This proactive approach ensures your roof and solar panels can function optimally throughout their respective lifespans, maximising your return on investment.
What Exactly Is a Roof Restoration?
A professional roof restoration is a comprehensive process that rejuvenates your roof to its original integrity, condition, and aesthetic appearance. In most instances when someone refers to a roof restoration they are referring to a specific set of tasks or processes, usually performed on a concrete tiled roof that rejuvenate or restore the roof to its original integrity For concrete tiled roofs – the most common type across Australia – this typically involves:
- Comprehensive pressure cleaning to remove dirt, algae, and debris
- Professional repointing with flexible pointing compound
- Replacement of broken and chipped tiles
- Premium coating application in your chosen colour
The end result is an impervious, leak-free roof surface that looks brand new and provides optimal conditions for solar panel installation. The roof should not need any further work for 15 – 20 years following the professional roof restoration.
Image Above: A fully completed Roof restoration undertaken in the Brisbane suburb of Parkinson. Post roof restoration solar panel re-installation completed.
Can Roof Restoration Be Done with Existing Solar Panels?
Absolutely! Roof restoration with existing solar panels is common practice across Brisbane, and the Gold Coast. Professional contractors typically use one of two approaches:
Method 1: Working Around Solar Panels
In most instances, solar panels remain in place during restoration work. While none of the roof area under the solar panels can be accessed, skilled roof restorers can clean and coat the roof slightly under the panel edge lines, ensuring no original roof colour remains visible from ground level.
Method 2: Temporary Panel Removal
For more comprehensive roof restoration, roofers often recommend temporary solar panel removal. This involves removing only the panels themselves while leaving all rails, mounting hardware, and wiring intact. The solar inverter is simply switched off and isolated during the work period.
Image Above: Solar panel removal almost completed by the LMS Electrical team prior to roof restoration commencing. Note solar panel rails remain on the roof.
Cost Considerations for Temporary Solar Panel Removal
As no roof is the same as the next, so too can be said for the price of solar panel temporary removal and reinstallation. A typical rate in Brisbane for temporary solar panel removal and reinstallation for a low set, single story home with a standard solar panel array is generally around:
Brisbane Solar Panel Rates:
- Single-storey homes: From $100 + GST per panel.
- Double-storey/split-level homes: 20 – 40% premium due to access complexity.
- Properties requiring access machinery: Additional costs apply.
These rates cover panel removal and reinstallation only, with all mounting hardware remaining in place.
New Solar vs. Reinstallation: The Smart Choice
Solar technology has advanced dramatically over the past decade. Modern panels deliver significantly higher power output and efficiency while costs have decreased substantially. Many homeowners are choosing complete system upgrades rather than reinstalling older systems as this often presents better long term value, all things considered.
Example Comparison:
- Older 1.5kW system removal/reinstallation. Panel output low initially and panels significantly degraded over time. Typical cost from $1,200 + GST.
- New 6.6kW system: From $4,500+ GST. Delivering around 10 x the daily power output of the original system. Fully covered under warranty.
Current Brisbane Solar Market Pricing (2025):
- 6.6kW non-hybrid system: From $4,500
- 6.6kW hybrid (battery ready): From $5,500
- 6.6kW + 8kWh battery: From $8,000
All prices net of rebates, including new battery rebates
The Optimal Process: Roof Restoration + New Solar Installation
It’s always best to install a new solar panel array to a roof that is problem free and up to a good standard of maintenance. Conversely it can be a big waste of money to install a solar panel array to a roof in poor condition that will really need a roof restoration or repair in several years time. The ideal sequence of events when combining a roof restoration and new solar panel installation deliver a better outcome for both the trades involved and the homeowner.
The most cost-effective and efficient approach combines roof restoration with new solar installation in a strategic sequence:
Step 1: Solar Bracket Installation
Solar installers fit mounting brackets directly to rafters or top truss chords. This process involves:
- Sliding back or temporarily removing roof tiles
- Notching or grinding tiles to fit over brackets
- Managing inevitable tile breakages during the process
- Initial cable runs (if preferred)
Image Above: Completed roof restoration with solar bracket install. Final stage of solar installation now to come.
Step 2: Professional Roof Restoration
With brackets installed and all tile movement complete, restoration begins:
- Comprehensive cleaning and repointing
- Replacement of all broken or damaged tiles
- Repointing of all cap tiles with flexible pointing compound
- Premium coating application across the entire accessible roof area
Step 3: Solar System Completion
Final solar installation includes:
- Mounting rail installation
- Panel attachment and positioning
- System commissioning and testing
- Performance verification
This sequence ensures both the roof restoration and solar installation teams can work efficiently without interference, delivering optimal results for both investments.
Pre-Installation Roof Assessment
Before committing to solar installation, consider these key factors:
Surface Condition
- Tile condition and replacement needs
- Pointing integrity and weatherproofing
- Porosity of existing concrete roof tiles
- Existing leak points or potential problem areas
Modern Assessment Technology Professional drone inspections provide comprehensive roof condition reports without the safety risks and costs of manual inspections. This technology allows for detailed assessment of hard-to-reach areas and provides photographic evidence of problem areas. Any area of a roof can be closely inspected and all recorded on video for repeat viewing. With modern drone technology the drone is able to get very close tot he roof surface and conduct a thorough inspection.
Video Above: A brief example of a roof inspection being conducted by the oz-roof crew on an upcoming roof restoration project in Hope Island Queensland.
Due Diligence: Choosing the Right Contractors
When getting a roof restoration and new solar panel installation two independent building work contractors will be engaged to undertake each respective task. A Brisbane Roofing company and Solar installer will be required to get the work done. The licences of each contractor are public information and it’s best to look up the currency and licence class of each trade before engagement. Another important due diligence check in QLD is to check that each contractor is following the QBCC rules by way of Home Warranty Insurance. As each job will be valued over $3300 the contractors are required to take out a Home Warranty Insurance policy over the job.
Licensing Verification
- Check current licensing status through public records
- Verify appropriate licence class for the trade work being undertaken
- Confirm all contractors are properly insured
- QBCC Compliance (Queensland)
- Verify Home Warranty Insurance coverage
- Confirm warranty terms and conditions
Making the Smart Investment Decision
The question isn’t whether you should consider roof restoration before solar installation – it’s whether you can afford not to. The combination of enhanced performance, extended lifespan, reduced maintenance costs, and improved property value makes this decision financially sound and provides a worry free future regarding their roof for most Australian homeowners.
Why Professional Assessment Matters: A thorough roof assessment before solar installation can identify potential issues that might not be obvious to the untrained eye. Professional contractors can spot issues or concerns, weatherproofing problems, and maintenance issues that could compromise your solar investment.
As the experts at Oz-Roof explain: “We consistently see homeowners who wish they’d addressed their roof condition before solar installation. The combination of a professionally restored roof and new solar system creates the perfect foundation for decades of optimal performance and peace of mind.”
The Long-Term Perspective: While the upfront cost of roof restoration might seem significant, the long-term benefits far outweigh the initial investment. A properly restored roof provides the ideal foundation for solar panels, ensuring both systems can deliver maximum performance throughout their operational lifespans.
Taking Action: Your Next Steps
Don’t let a compromised roof undermine your solar investment. For Brisbane homeowners considering professional roof restoration services, proper planning and expert guidance are essential for maximising both your roof and solar investments.
Remember: The best time to restore your roof is before you need to. The smartest time is before your solar installation. Make both investments work harder for you with proper planning and professional execution.
Planning a roof restoration before solar installation is one of the smartest decisions Australian homeowners can make. With proper timing and professional execution, you’ll protect both investments while maximising performance and value for decades to come.
