OK so you have the solar panels. Now what? Buying the right solar panels is just a first step in making your home run on solar energy.
The next step is to consider how best to integrate the solar panel array with the roof and structure of your home or business.
There
are many different technologies and installation options. I’m gonna
tell you about two common installation options. If you choose another
kind of installation, be aware that of the many design, drainage,
warranty, and repair concerns discussed in this article are common to
all installation systems.
Ballast solar panel system
If
you do not wish to alter the roof of your home or business, one option
is the ballast system, which works best on a flat commercial roof. With
this installation method, the panels rest on top of the roof. While this
is the least expensive option, it has several drawbacks that may factor
into your decision.
While most roofs have a 20 year warranty, a ballast mounted solar panel system
is only under warranty for 10 years. This system uses rubber boots or
cinder blocks to hold the panel array down. The ballast mounting system
places excessive weight on the roof, which makes the roof membrane
brittle and easily cracked.
Panels are required to be mounted at acute angles, about 0-20 degrees, to avoid destabilization because of the wind.
Whether
building new construction to suit ballast-mounted solar or adapting an
existing roof, you must consider the design. A ballast mounted solar panel system is less easily adapted ...
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