Sandstone Window Sill Repair 〈2026 Release〉

The joints between the sill and the surrounding brickwork are common failure points for moisture entry.

Water enters the stone's pores, freezes, and expands, causing the surface to flake or crack. sandstone window sill repair

If the sill has eroded severely—losing significant depth or structural integrity—a surface repair won't suffice. In these cases, "indenting" is required. This involves sawing out a section of the decayed stone and mortaring in a new piece of matching sandstone. This requires masonry skills; if the sill is structural, this is the moment to call a professional. The joints between the sill and the surrounding