An apparatus for remotely performing an operation on a roof including a frame assembly configured to be positioned on the roof, a pivot assembly configured to couple to an external anchor point such that the frame assembly is positioned between the pivot assembly and an operating position, and a flexible control line including a first segment having a first end coupled to the frame assembly and extending in substantially a first direction to a second end disposed at the operating position, and a second segment having a first end coupled to the frame assembly and extending in a second direction substantially opposite the first direction through the pivot assembly, which redirects the second segment to the first direction, to a second end at the operating position, wherein pulling the second ends of the first and second segments controls movement of the frame assembly on the roof.