If you’re considering installing solar panels and also have a roof renovation on the horizon, timing is key. Many homeowners wonder whether they should Install Solar Panels Before or After Roof Renovation? While both options are technically possible, the general consensus is that roof renovations should come first. Installing solar panels on a roof that’s in good condition ensures that your solar investment lasts longer and performs better.
Here’s a detailed look at why it’s often better to complete the roof renovation before installing solar panels, along with some important considerations for timing your solar installation.
Avoid Dismantling and Reinstalling Solar Panels
One of the most significant reasons to renovate your roof before installing solar panels is to avoid the costly and labor-intensive process of removing and reinstalling the panels if roof repairs are needed in the future. Solar panels are typically designed to last 25 years or more, so it’s essential that your roof is in excellent condition to support them for the long term.
- Potential Costs: If you install solar panels before a roof renovation, you will need to pay for the panels to be removed and reinstalled during the renovation. This can add significant extra costs, including labor fees and potential re-inspection fees.
- Avoid Damage: Taking solar panels down and putting them back up can also increase the risk of damage to the panels, mounting system, or roof. It’s best to complete any roofing work before solar installation to ensure everything stays intact.
Tip: If your roof is nearing the end of its life or has visible signs of damage, it’s wise to replace or repair it before proceeding with solar installation.
Roof Condition and Age
The condition and age of your roof are critical factors when deciding whether to install solar panels before or after a renovation. Solar panels typically have a lifespan of 25 years or more, so you want to ensure that your roof can support them without needing repairs or replacements during that time.
- Older Roofs: If your roof is over 15-20 years old or showing signs of wear and tear, such as leaks, sagging, or damaged shingles or tiles, it’s a good idea to renovate it before installing solar panels. This ensures that the roof will last as long as the solar system.
- Roof Material: Some roof materials are more durable than others. For example, metal roofs tend to last longer than tile or asphalt shingle roofs. If you have a relatively new or durable roof, installing solar panels before a renovation may be an option. However, most experts recommend ensuring the roof is in top condition first.
Tip: Have a professional roof inspection done to assess whether your roof can support solar panels in its current state, or if it’s better to replace or repair it first.
Maximising the Lifespan of Both Roof and Solar System
By renovating your roof first, you can ensure that both your roof and solar system will last as long as possible. Installing solar panels on a newly renovated or replaced roof means that you won’t have to worry about roof repairs interrupting the performance of your solar system, and you’ll maximise the lifespan of both investments.
- Seamless Integration: A roof renovation offers the opportunity to ensure your roof is perfectly suited to support solar panels, including making any adjustments needed for the installation, such as installing extra flashing or modifying the roof structure to handle the added weight of the panels.
- Long-Term Performance: A new roof will better protect your home and the solar system from weather damage, leaks, and other issues, ensuring that both the roof and the panels perform efficiently for decades.
Tip: Renovating your roof first also ensures that any warranties on the roof and the solar panels remain intact, as roofing work after installation could potentially void some warranties.
Cost and Time Efficiency
Coordinating the timing of a roof renovation and solar panel installation can save both time and money. By completing the roof renovation first, you eliminate the need for additional labor costs and reduce the risk of delays in getting your solar system up and running.
- Single Installation Process: Renovating your roof first means you can move forward with the solar installation without worrying about future disruptions or reinstallation costs. It also allows you to coordinate both projects more efficiently, reducing the overall time it takes to get your solar panels installed and producing energy.
- Minimise Downtime: If you install solar panels and then renovate the roof later, you’ll face downtime during the removal and reinstallation process. This means your solar system won’t be generating electricity during the roof renovation, which can result in higher electricity bills during that period.
Tip: Discuss your plans with both your roofing contractor and solar installer to ensure that the timeline for the renovation and solar installation works smoothly and efficiently.
Roof Renovation and Solar System Design
If you’re planning a roof renovation or replacement, it’s a good opportunity to design the roof with solar panels in mind. This can include choosing materials that are more suitable for solar panel installation or modifying the roof’s design to maximise energy production.
- Solar-Friendly Roof Materials: Some roofing materials, such as metal, are easier to work with and can better support solar panels. If you’re replacing your roof, you may want to consider choosing a material that makes solar installation easier and more cost-effective.
- Optimised Roof Orientation: During the renovation, you can also assess the orientation and pitch of your roof. A properly angled roof that faces the sun can significantly improve solar panel performance. Discuss your solar plans with your roofer to ensure that your new roof is optimized for solar energy production.
Tip: If your roof renovation involves changing the layout or structure of the roof, consult with a solar expert to ensure the new design maximises sunlight exposure and energy generation.
Conclusion
In most cases, it’s best to renovate or replace your roof before installing solar panels. This ensures that your roof is in excellent condition, reducing the risk of costly repairs or reinstallation down the line. By coordinating your roof renovation and solar installation, you can save time, money, and avoid potential damage to your solar system.
If you’re planning a roof renovation and are considering installing solar panels, contact Prosolar Global at 1300 181 191. Our solar experts can work with you and your roofing contractor to design the perfect solar system for your newly renovated roof, ensuring long-term energy savings and optimal performance.
