It is somewhat more complicated to fill cracks. So before DIYers apply an ETICS, they should be very sure. If, by mistake, the damage is not caused by plastering at all but by a dynamic crack, there will be profound damage to the structure, which can also destroy the composite thermal insulation system. ![]() The insulation boards themselves bridge the cracks, and the reinforcing fabric, which is necessary anyway, does the rest. If you plan to wrap your house up warm anyway, you can combine crack repair and thermal insulation with a composite thermal insulation system. The requirements for this are simple, but mandatory: the old plaster adheres firmly and does not sand off. In other words, a new layer of plaster is simply applied. This is an overplastering of part or all of the facade. Large shrinkage cracks, numerous age spots and a heavily tarnished appearance, on the other hand, require more of an area-wide approach. ![]() The decisive factor is ultimately the extent of the work required. Suitable materials are available for both in DIY stores. In principle, the do-it-yourselfer willing to renovate has two options: For example, the plaster loses its adhesion and hollow spots develop – or the plaster becomes porous and crumbles away.īecause of their many causes, there is no universal recipe for optimally repairing plaster cracks.
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