Water spilling over the sides of the gutters during rain, even if the gutters themselves appear clean.
Water pooling around the house foundation or erosion in nearby garden beds. Common Causes of Clogs
Early detection is everything. Ignoring a blocked downpipe leads to overflowing gutters, which dump water against your foundation—a recipe for basement leaks, rising damp, and cracked walls. Look for:
Having learned the hard way, I now recommend these measures, ranked from best to worst: