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Cracks and Fissures

The condition of walls and ceilings can be worsened by the appearance of cracks and fissures where effective action is required to prevent them getting worse.

Repairing cracks and fissures involves the evaluation and intervention of an expert. This is very important in determining whether it is surface damage or whether it is a crack that may affect the structure.

Its correct evaluation and treatment will also help you know what could have been the cause, if there is a more serious problem behind it and how to fix it with the right materials.

Fisuras y Grietas 1

Cracks and fissures: Why they occur

Cracks and fissures are uncontrolled longitudinal openings that occur in roofs and walls of houses and façades. While the cracks only affect the coating of the structure, the fissures usually affect the entire area and involve further investigation into the causes that have led to it.

The causes of cracks and fissures can be very varied and involve different agents. In the case of surface cracks in walls and façades, changes in temperature, humidity or the action of atmospheric agents may have been the cause, such as rain, wind or environmental pollution.

In the case that the cracks and fissures have been produced by the effect of water or moisture, it is very important to assess the origin of the moisture, where it is located and how it may have affected the degradation of the structure.

Cracks can be an easy to treat, but it should also be taken into account that there may be a symptom that indicates a more serious problem and which requires more intervention, especially in the case of building façades or major cracks in interior walls or ceilings.

However, the causes of cracks in walls and ceilings may be the result of having applied a paint or plaster that is not suitable for the surface or its resistance to external agents. Rapid drying of the plaster can also cause cracks to appear because the coating components have not penetrated the surface.

On many other occasions, the appearance of these openings is due to deterioration caused by the passage of time and the natural settlement of the foundation which can cause cracks to appear in walls.

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How to repair cracks and fissures in walls and ceilings

Once all the damage has been located and the reason behind their appearance has been determined, it is time to evaluate how to fix the cracks and fissures and what processes and materials are appropriate to do so effectively.

The first step for its preparation consists of the opening and clearing of the crack, cleaning it of dust and residues to leave the cavity empty so we are able to apply a fixing emulsionhttps://montopinturas.com/ver/2510/emulsion-fijadora.html that penetrates to provide adhesion to repair materials.

Once the crack has been prepared with the emulsion, it is time to proceed to filling it in with filler. The opening is generously covered and the surface of the entire wall or ceiling is evened out.

For this task, Montó has different types of filler, according to the treatment to be carried out and the characteristics of the surface. Plasmont fibra elástico https://montopinturas.com/ver/2055/plasmont-fibra-elastico.html/ is an elastic and waterproofing filler, so it is very useful for covering cracks in façades, sealing joints and filling holes before applying a coating or paint.

In the specific case of having to fix cracks in façades, Ovaldine antifisuras https://montopinturas.com/ver/2150/ovaldine-antifisuras.html is a coating product that protects damaged walls and helps repair cracks caused by setting. This type of covering is recommended for absorbent and very porous surfaces, guaranteeing its complete filling and offering a uniform finish.

In this case, or on walls that are exposed to the outside, anti-crack products such as Ovaldine have anti-mould and anti-algae preservatives that prevent moisture penetration and deterioration of the repaired cracks.

Plasmont al uso, on the other hand, https://montopinturas.com/ver/2386/plasmont-al-uso-reparacion-rapido.html is an acrylic filler for quick repairs that stands out for its thickness and filling capacity, which makes it very adhesive on different surfaces, including wood, concrete, brick or plaster. This makes it ideal for repairing cracks in interior walls before painting https://montopinturas.com/ver/3040/prepara-las-paredes-antes-de-pintar-la-importancia-de-masillar.html.

In the case of cracks, and to avoid their reappearance, it is advisable to place dressings between the various layers of filler that give more consistency to the surface and to prevent them from reopening.

In all cases, it is very important that the application of the filler is uniform and that after drying the surfaces are evened out by sanding to improve the smooth look and to remove debris.

If the repair of the cracks or fissures https://www.youtube.com/watch?v=fTkz7LtnP50 has involved the application of putties and fixative dressings, it is best to apply a primer coat before painting, so that the paint is fixed smoothly and evenly.

For any questions, the Pinturas Montó team specialises in advising professionals to present them with the characteristics of products that can best meet their needs.

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