PVStop fire-retardant liquid tarp for solar panels

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Solar PV systems cannot be switched off when exposed to light. In the event of a short circuit or an emergency such as a fire, and even with isolation switches installed, the solar panels continue to produce a potentially lethal amount of DC electricity. This creates what has been termed the ‘DC Danger Zone’, which until now has been a threat and a safety risk.

To combat this, PVStop has been designed from polymer film technology that acts a ‘liquid tarp’ to switch off a solar PV system in seconds, rendering the entire system safe. The non-flammable and fire-retardant film encases any nanoparticles present in a fire or salvage operation and assists with reducing safety risks to emergency services personnel, electrical contractors and owners of solar PV systems. The product is safe to use in all weather conditions.

The non-conductive and anti-arcing film can be applied from a distance of over 10 m, which eliminates the need to climb onto a roof. It is designed to not damage the solar PV system and simply peels off after use. It is also non-carcinogenic and can be disposed of with normal garbage waste.