The answer to 'gutter cleaning curling' is that gutter curling is a common issue caused by a buildup of debris, water damage, or improper installation. Symptoms include the gutters pulling away from the roof, sagging, or developing waves and ripples. Solutions can include cleaning the gutters, repairing any water damage, and properly re-securing the gutters to the roof.
In many cases, gutter curling can be addressed through DIY cleaning and minor repairs. However, for more extensive damage or if the gutters need to be replaced, it's best to call a professional roofing contractor. They have the right tools and expertise to properly assess and fix the issue.