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Cracks in the masonry: DIY repair in case of surface cracks and damage estimation in case ofdeep cracks in the masonry. When to worry and requires the intervention of an expert.
Observing thecracksin the walls of the house, we can understand if these represent adangerfor our home and if they need immediate intervention. Any crack in the masonry, even if it is believednot worrying, needs to be monitored; the exceptions arecrackssuperficial ones that involve only the plaster layer and that can be solved with do-it-yourself works.
Interior wall crack repairs
When thecracksthey are only superficial and concern the paint layer and the underlying plaster, these can be repaired with simple interventionsdo-it-yourself. For information about therepair of cracks on interior wallsor on a wall outside the house, we refer you to our guides:
- How to eliminate cracks in walls
- Repair a crack in the wall
Cracks in the walls, causes
Thecrackssuperficial, in general, are caused by problems of water infiltration, mold, moss, condensation, vapors and humidity. Other causevery common of surface cracks concerns the thermal expansion between different materials, so even if you do not have humidity problems at home this does not mean that you are immune from cracks on the walls.
They are very differentcauseswhich lead to the formation of realcracksopening into the masonry. Thecracks in the masonryare formed following amovement and the first evaluation to be made concerns the effects thismovementhad on the entire building structure. The movement is not strictly seismic in nature, we are talking about failures of components of the building structure or even of thefoundation soil.
Thecausesof the subsidence of foundations leading tocracks in the masonryare different although the most common is theDrought. The soil, drying up, loses volume, generating a lowering that affects the entire building structure.
If thecracks in the masonryare located outside or inside, at the level of two different adjacent buildings, this may not be a particularlydangerous but even here it is worthwhile to commission an audit.
If the cracktakes place in the sensehorizontaland it forms an arch that involves an entire wall, it could be worrying. In the most at-risk cases, the crack becomes visible on both sides of the wall. Other very common cracks, which take place horizontally or inclined, are those that form near the corners of the house, as a result of a probable failure in the vicinity of the corner.
When thecauseit's aearthquake (earthquake) thecracksthat are going to form can take on a characteristic cross shape. Even if the house has not collapsed, the expertise of an expert is required.
To get a definitive opinion and understand if thecrackin question is worrying, it is always advisable to contact a technician, however on this page we will give you a series of useful information to give you a first picture of the situation.
Cracks in the walls, when to worry
It is essential to understand if it is onestructural crackor less.Where is the crack located?
If the crack is present only on a dividing wall, it is useful to carefully examine the flooring to find out if there have been any sag, especially near the wall affected by the crack.
More complex is the question if thecrackis located on aload-bearing wall, upperimeter walls or on the so-calledthorn walls. If the crack goes deep and pushes into the actual masonry, then action should be taken promptly.
If thecrackit is very deep, it is possible that it continues to open even with a certain speed. In this case it is necessary to trace the origin of the problem.