Solar Integrated Roofing System
Installation Options
Building Integrated Photovoltaics (BIPV)
Solar Integrated Roofing Systems
Hard Panel Solar Systems
In the case where a new roof is warranted, Pfister Energy believes that a solar integrated roofing system is the most appropriate choice for photovoltaics. This type of system is comprised of thin-film solar laminates integrated with a new roof. As a turnkey solar installer with years of commercial roofing experience, Pfister Energy can complete the entire installation from start to finish.
The decision to go solar will have a direct impact on the type of roofing system that would be specified for a given building. That being said, if you're going to be installing a solar system on your roof, one which has a life expectancy of 25+ years, then it is necessary to make sure that the roofing system selected is one that is going to be watertight for at least that long, in order to avoid having to remove/replace the solar array when the useful life of the roof expires.
Pfister Energy's Solar Integrated Roofing System
Building Integrated Photovoltaics (BIPV)
Solar Integrated Roofing Systems
Hard Panel Solar Systems
In the case where a new roof is warranted, Pfister Energy believes that a solar integrated roofing system is the most appropriate choice for photovoltaics. This type of system is comprised of thin-film solar laminates integrated with a new roof. As a turnkey solar installer with years of commercial roofing experience, Pfister Energy can complete the entire installation from start to finish.
The decision to go solar will have a direct impact on the type of roofing system that would be specified for a given building. That being said, if you're going to be installing a solar system on your roof, one which has a life expectancy of 25+ years, then it is necessary to make sure that the roofing system selected is one that is going to be watertight for at least that long, in order to avoid having to remove/replace the solar array when the useful life of the roof expires.
Pfister Energy's Solar Integrated Roofing System
- A Soprema 2-Ply SBS Modified Bitumen roof, which represents a superior roofing system as compared with a standard (single-ply) TPO, PVC or EPDM alternatives. The 2-Ply SBS modified bitumen roofing system will have a longer lifespan (30+ years) compared to a single-ply roofing system, which generally begins to fail in ~17 years on average.
- Thin-film solar laminates, using an integrated approach, which entails no brackets, roof penetrations or mounting hardware, enabling the avoidance of any potential roof leaks through photovoltaic related-penetrations, and reducing the amount of labor to install the system.
- The thin-film (amorphous silicon) photovoltaic modules are relatively light weight, adding only ~0.7 lbs. per square foot, as compared with a hard (glass) panel system which can add as much as 8 to 10 lbs. per square foot.
- Amorphous silicon PV is deposited on a substrate of stainless steel in three separate layers. These layers are called multi-junctions, and unlike conventional monocrystalline PV panels, they enable these modules to utilize all ends of the light spectrum to produce electricity.
- Because of their multi-junction construction, thin-film products therefore produce more energy under low light conditions than glass panels. For example, as the sun rises and sets, the thin film panels will continue to produce energy when the glass panels will not.
- The thin-film modules are also shadow tolerant, with a large number of integrated bypass diodes enabling them to operate even when partially shadowed.
- Amorphous silicon PV yields improved energy production under high-heat conditions (i.e., thin-film panels will not have as drastic a drop-off in production when the temperature rises as glass panels do).
- Uni-Solar panels provide more energy production (kWh per rated Watt) when compared to conventional glass panels.

