Hi 2 years ago I had a retaining wall built at the front of my property, I have recently noticed a small thin crack running from the top of the wall following the mortar line for 2 brick widths then through the middle of two facing bricks. There are no other cracks in the wall, no damage to the wall there is no weight at the top of the wall where the crack starts and all the weepers are free of debris and working well. This wall forms a boundry between my property and a pavement. Not being very experianced in DIY I would apreciate any advice you think relevant.
Hi, its probably due to movement from the weight behind the wall. With all this wet weather we have had over the last 3 years the soil mass expands and moves when wet, so that can apply pressure to the wall. Repoint the wall and see if it breaks up again. good chance it may not. If it does you might have to rebuild wall or you can try digging soil away from the back of the wall anf fill the void with gravel which will improve drainage and take up some of the movement from the soil base..good luck
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