Combien de temps faut-il pour que l'efflorescence apparaisse sur une nouvelle maçonnerie?
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How long does it take for efflorescence to appear on new masonry?

The Timeline of Efflorescence on New Masonry

Understanding the Birth of Efflorescence

When it comes to masonry, few phenomena are as misunderstood as efflorescence. This powdery white deposit, often seen gracing the surfaces of bricks, stones, and concrete, is more than just a cosmetic concern. It's a tale of the journey of soluble salts, making their way to the surface, and the story of the environment in which the masonry exists.

Factors Influencing the Appearance of Efflorescence

1. Quality of Materials Used

The quality of the materials used in masonry plays a pivotal role. Higher quality materials with fewer impurities reduce the chances of efflorescence appearing soon after construction.

2. Environmental Conditions

Masonry in damp or humid environments is more susceptible. The moisture acts as a vehicle, driving the soluble salts to the surface.

3. Construction Techniques

The methods employed during construction, including the type of mortar used and the curing process, can influence the timeline of efflorescence appearance.

So, How Long Does It Take?

While it's challenging to pinpoint an exact timeframe due to the variables at play, efflorescence can appear on new masonry as early as two weeks to a month after construction. However, in some cases, it might take up to a year or even longer, especially if the conditions aren't conducive to its formation.

Prevention: The Best Cure

1. Quality Control

Always opt for high-quality materials. This not only ensures the longevity of the structure but also minimizes the risk of early efflorescence.

2. Proper Curing

Ensure that the masonry is cured correctly. This helps in setting the structure and reduces the chances of moisture-driven efflorescence.

3. Environmental Management

While we can't control the weather, we can manage the environment around the masonry. Ensure good ventilation and consider using sealants in areas prone to high humidity.

Maçonnerie Montréal's Commitment

At Maçonnerie Montréal, we pride ourselves on delivering not just structures, but pieces of art that stand the test of time. Our deep understanding of masonry, combined with cutting-edge techniques, ensures that every project we undertake is a testament to quality and craftsmanship.


Efflorescence, while natural, can be managed and controlled. With the right knowledge, materials, and techniques, its appearance can be delayed, if not entirely prevented. Trust in Maçonnerie Montréal to guide you every step of the way, ensuring your interiors remain as pristine as the day they were built.