The frame can be wood or steel, and the pulley rope is connected to a second pulley mounted behind the frame. The device uses your existing fiberglass Werner or Louisville extension ladder. A patented module “hook” attaches to the edge of a PV module frame and. Picture this: you're halfway up a 60-degree slope, carrying a 25kg photovoltaic panel, when your boot slips on loose gravel. Suddenly, that $500 solar module becomes a very expensive sled. This is why using ropes to pull photovoltaic panels in mountainous terrain isn't just smart – it's survival. Texts: The solar installation technician is using a rope to pull a 36. 0-kg PV panel up the side of a roof. To effectively address the stabilization and functionality of solar panel systems, it is. To lift solar panels onto your roof, you can use a ladder railing system, a pulley system, a lifting bag, or even DIY lifting systems using a pulley. These wire ropes, far from being simple structural components, are the invisible pillars that support the infrastructure and ensure the efficient production of solar energy.