A shallow pond beside a rooftop unit can cover a seam before a store manager sees water inside. We trace the drain path, check the membrane, and inspect the insulation around the equipment. In West Valley City, UT, a large retail roof also has to leave loading and customer routes open. The repair limit follows what the roof shows. The work window follows the store's operating plan.
Big-box roofs often combine long membrane runs, multiple units, skylights, and perimeter details. A leak report at one end may connect to a lap or drain farther away. We map the field and mark each repair zone before discussing recovery or replacement. A commercial roof inspection can establish where testing will change the scope.