... applied around the edges of windows to reduce uncontrolled air infiltration and exfiltration. Convenient and Utility. Rope caulk ... by simply pressing it into place with fingers, no caulking gun needed.Easily applied, self adhering, yet easy to ... windows, baseboards, siding, expansion joints, concrete walls, screens, window air conditioners, doors, boats, autos, metal buildings, conduit and pipes, ...