How to Handle a 45 Degree Outside Gutter Corner

When you're staring at a 45 degree outside gutter corner on your roofing and wondering exactly how on earth you're meant to make it watertight, you aren't alone. Most homes are built along with standard 90-degree sides, so when a person run into a bay window, a wrap-around porch, or a custom roofline, items get a bit more interesting. These angles may be a bit of a headaches if you've never dealt with all of them before, but once you understand how the particular pieces fit together, it's actually quite a simple DIY job. ...

March 28, 2026 · 8 min · Scherp Rainer