Repair Stone Window — Sill !full!

Runoff from copper flashing or gutters reacts with the stone, creating a green-blue patina (copper salts). While often aesthetically displeasing, it can sometimes indicate excessive water flow over the stone surface.

A repaired sill is useless if it directs water back into the wall. repair stone window sill

That was three winters ago. The patch hasn’t cracked. No water pools there anymore. Every time I walk up the front path, I glance at that sill, and I remember: some repairs aren’t about perfection. They’re about respect for what lasts—and the quiet pride of holding a little piece of your home together with your own hands. Runoff from copper flashing or gutters reacts with

Used for: Friable surfaces, minor erosion, no structural cracks. That was three winters ago

Used for: Isolated spalls, missing corners, and erosion less than 1-inch depth.