Horizontal cracks in external render

munchkin198 · 2025-01-10T17:20:23+0000

My house (built 1950ish) is non-cavity wall and is mostly rendered externally. Render was redone about 4 years ago. This winter, lots of horizontal cracks have started appearing along one wall, about 2 feet apart, at ground and first floor level (this wall is exposed and west facing, and takes the brunt of wind/rain/storms etc). A couple of weeks ago I noticed that water is also coming through the walls internally on the first floor, in line with the cracks. The cracks are all still fairly narrow but run along the width of the wall. I'm not sure if this is a problem with the render, or a structural issue with the wall bowing slightly. Any thoughts very much appreciated.

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Horizontal cracks in external render

munchkin198

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