A gutter pulling away from the roofline looks like a hardware problem — like something needs tightening. Sometimes it is. But often the screw isn't the thing that failed. The wood it's screwed into is.
The loop
Here's the sequence, and it only runs one direction:
- A seam drips, or the gutter overflows at the back edge, and the fascia board behind it stays damp after every rain.
- Damp wood softens. The gutter hangers — which hold the entire water-loaded weight of the run — start to lose their bite.
- The gutter sags. Sagging kills the slope, so water stops reaching the downspout and stands in the run.
- A standing-water gutter is heavier, which pulls harder on the failing wood, and overflows more, which feeds the rot.
Each lap of that loop is worse than the last. A gutter that's dropped an inch this year drops faster next year.
How to spot it early
You don't need a ladder. From the ground, look for: a gutter line that isn't parallel with the roofline; paint on the fascia peeling or bubbling in one stretch; a dark stain spreading on the soffit below; drips at a corner long after the rain stopped. Any of those means the loop has started.
Why re-screwing it isn't the fix
Driving new screws into soft wood buys weeks. The honest repair sequence is: find the water source (the failed seam, the overflow), fix that, replace or splice the compromised wood, then rehang the gutter on sound fascia with correct hanger spacing and slope. Wood first, water source always — otherwise the new board just inherits the old problem on a fresh clock.
That's the whole job we do under soffit and fascia repair, and the assessment — how far the rot actually runs, splice vs. replace — is part of the free estimate.