5 Things to Avoid During Solar Panel Installation on a Roof .pdf
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5 Things to Avoid During Solar Panel
Installation on a Roof
Solar panels not only slash the energy costs but also enhance the value of a commercial
property. Though solar-powered roofs are gaining traction, they need professional expertise of
commercial construction contractors to ensure a hassle-free installation and maintenance. The
blog post discusses a few pitfalls to avoid before putting your money on the table for a solar
1. Installing Solar Panels On Old Roofs
If you want to get the most of your solar roof investment, make sure the age of the roof and
panel are synonymous. A new solar roof installation may last for 20 or even 35 years with a
protective membrane, making it pointless to install on a roof with a remaining life expectancy
of 10 years. If you do so, you may need to incur significant costs in a partial or full roof
replacement to match up with the design of the solar panels. Ideally, metal roofs and cool
roofing membranes last for more than 20 years, making it suitable to support solar arrays.
2. Mounting Solar Panels on Unsuitable Roofs
Many commercial property owners ignore the necessity to determine the “roof-readiness”
before installing solar panels. Although installing solar panels is a profitable move considering
the power expenses of a commercial property, you need to assess whether your roofing system
has a favorable “solar window” to justify the cost of panels. If your roof is wrapped in shades,
for instance, for a major part of the year, or is not oriented to be sunlit, you need to reconsider
and address the factors before installing solar panels. Additionally, many roofing systems are
incapable of sustaining the weight of solar panels or heavy footfall during the installation and
maintenance. Commercial construction contractors can assist in assessing the compatibility of
your roof and ensure the mounting process is in accordance with the recommendations for
3. Neglecting Primary Functions of the Roof
One of the main functions of a roofing system is to facilitate adequate water drainage on the
rooftop to avoid leakages. If solar panels are installed disregarding the need for water drainage,
racks and wire harnesses may interrupt the water flow on the roof resulting in inefficient
drainage. Additionally, the flow of water in the wrong direction may also result in a leaky roof,
which makes a repair difficult in the presence of solar panels. It is imperative to address these
concerns before opting for a solar roof to avoid potential water drainage issues in the future.
4. Thinking the Rooftop As A Playground
No matter how durable a roof is, a rough treatment while installing the solar panels can weaken
the structure. When your goal is to go green or save energy costs with a solar powered roof,
you don’t need to tear off the roofing system. In addition, handling the roof without care can
make it susceptible to shingle or membrane damage which can lead to costly repairs. You need
to ensure that your commercial roofing contractor is well-versed with complex solar
installations to avoid damage to your roofing system.
5. Ignoring Frequent Inspection and Maintenance
Although roof inspection and maintenance are the essential factors that determine the life
expectancy of a roof, the need gets exacerbated with the inclusion of solar panels. Commercial
property owners cannot afford to undermine the importance of a routine maintenance plan for
solar powered roofs if they want their solar panels to be resistant to water, weather and dust
The Bottom Line
The idea of a solar powered roof makes perfect sense, only if the panels are installed correctly
to save costs. To ensure that the solar panels are installed properly, ensure that you have the
right roofing materials and take the help of a professional roofing contractor. An experienced
roofing contractor can help you make the roof ready for solar panels and perform the complex
solar roof installation from the scratch.