Cracks in the exterior plaster - Repair and repair plaster damage


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Cracks in the exterior plaster - Repair and repair plaster damage

Cleaning cracks are not only a blemish on a facade, but can also cause damage to the fabric, if you do not care about the removal of cracks.
The preparatory work for the renovation of the facade
If nothing speaks against, the do-it-yourselfer can also repair the cracks in the exterior plaster himself. First, the condition of the plaster base must be examined to determine how firm the plaster is around the crack. Furthermore, cavities should be identified by a knock test.
Furthermore, the different plaster layers should be checked with each other and the adhesion of the flush. So you can learn, if necessary, the entire plaster base must be renewed. Is the plaster
around the cracks in order, just the cracks can be repaired. Should cavities appear or the plaster base
be around the cracks friable, then the
remedial measures
a little more elaborate.
So cleaning cracks can be eliminated
There are three different ways to rehabilitate individual cracks. For example, it is possible to widen the cracks a little and to provide the edges with a firming impregnation. Then fill in the cracks with an elastic mortar. This variant is primarily for cracks or construction-related cracks, which can not expand. Another option is to use plaster to bridge the cracks. For this purpose, the plaster is applied on both sides to a separating layer, as thus plaster and plaster base can be decoupled. Subsequently, a wire mesh is added, which is fixed, now the application of plaster follows in two layers. This method is mainly used for cracks with a low residual deformation.
If the cracks are straight, you can use the flexible zipper method. This is the case, for example, of thrust cracks or cracks caused by components. This widens the crack to a joint, which should be at least 8 millimeters wide and goes through the entire plaster thickness. Then a primer with a consolidating impregnation. Now you fill the joint with a foam cord and with a plastoelastic joint sealant.

Video Board: How to Repair Cracks and Holes in Stucco.

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