4/2/2023 0 Comments Cracks in roughcast typesWhat may? have happened is that the wall below the roughcast is Block work, and the area below is facing brick [the block work is cheaper than Facing brick. I have enhanced your lower image but cannot see any cracks in the brickwork ? The crack has formed mid way along the length of the external wall between the upper window and the lintel of the rear door. Now for the crack below the upper window right hand side, again "thermal" This is being caused by differential thermal co-efficient s between the Concrete lintel and the brick / block work of the external wall, this causes cracks on or near the junction between the Concrete lintel end and the surrounding wall.As an aside this is a classic image of such a crack. The crack above / right of the upper window. This method is most expensive due the usage of chemical in repair. In this type the chemical in injected to the crack directly depending upon the dimensions and thickness of cracking. Notice this is your first post on the board, if no one else does, Welcome.įirst impressions are all the cracks can be explained as being "Thermal" Epoxy injection is the first method used to reduce the cracking effect in the buildings.
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