Cracks appear in rendered walls of buildings because the ground actually moves, and the building actually moves, and with time and the wet/dry/wet/dry annual seasonal patterns, the ground swells-and-shrinks and the building settles somewhat unpredictably over the decades.
The rendered walls don’t stretch, not worth-a-hoot. When the building moves, then one part of the foundation goes a bit up, down or sideways relative to another part, and then the render cracks Render crack repair is often done with various caulks or cement, and usually the crack opens up again.
There are two reasons: The cement patch can’t stretch, and or the caulk did not stick. These have underlying them one common denominator: the building is still moving.
Patching the crack did nothing to stabilize the foundation, or change the seasonal swelling-and-shrinkage of the ground. The crack is going to continue to open-and-close, and usually widens, on-the-average, as time goes by.
Furthermore, the crack movement usually exceeds the elastic limits of whatever-was-used to fill the crack, even if it was not cement. That’s way Rendering Express here to help you all the time when you need it. We can maintain your rendered walls with reasonable prices.
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