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Red Flags / Facades and Brick

RED FLAG · FACADE

A Stepped Crack and a Rust Stain Above a Window

AI-generated example image: a red brick wall with a window. The steel angle over the window is rusted, rust runs down beside the frame, and a stair-step crack climbs through the mortar from the corner of the window.

Over most windows in a brick building, a steel angle called a lintel carries the brick across the opening. When water reaches that steel it rusts, and because rust takes up several times the space of the steel it replaces, the lintel swells, lifts the brick above it, and cracks the mortar in a stair-step line up from the corner of the window.

Look up at your windows. Rust running down from the top of the frame is the first sign. A crack that steps up through the mortar from the corner is the second. Brick over the opening that no longer sits in line is the same problem, further along.

The fix takes out the brick over the opening, cleans or replaces the steel, adds flashing to keep water off it, and rebuilds the brick. It is a bigger job the longer the lintel keeps pushing.

If you see this on your building, send a photo and the address to info@ccrs-services.com.

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Send a few photos, the address, and what you are seeing. We will assess it and come back to you with a straight answer, including whether it is worth fixing at all.

info@ccrs-services.com