Comment l'infiltration d'eau entraîne-t-elle la détérioration des structures de maçonnerie?
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How Does Water Infiltration Lead to the Deterioration of Masonry Structures?

How Does Water Infiltration Lead to the Deterioration of Masonry Structures?

At Maçonnerie Montréal, we are a leading masonry service provider serving all over Greater Montréal, Laval, Longueuil, the South Shore and the North Shore. One of our key offerings is "Water Infiltration Repair Services." In our continuous commitment to offering insightful information to our customers, we want to discuss a critical topic in this article: "How does water infiltration lead to the deterioration of masonry structures?"

Understanding Water Infiltration in Masonry

Water infiltration is an insidious problem that can significantly compromise the structural integrity of masonry buildings. While masonry materials such as brick, stone, and concrete blocks are inherently strong, continuous exposure to water can lead to serious damage over time. Understanding the ways in which water infiltration can cause deterioration is crucial for proper maintenance and timely repair.

Effects of Water Infiltration

  1. Efflorescence

Water infiltration can lead to efflorescence, which is a white, powdery substance that forms on the surface of masonry structures. It occurs when water dissolves salts present in the masonry materials and then carries them to the surface. When the water evaporates, the salts are left behind, forming a crystalline deposit. While efflorescence itself doesn't cause structural damage, its presence indicates ongoing water infiltration that could lead to more serious issues.

  1. Masonry Deterioration

Long-term water exposure can lead to the physical breakdown of masonry materials. This is particularly true for freeze-thaw climates, where absorbed water can freeze and expand, causing cracks and spalling in bricks and other masonry materials. Over time, this can compromise the structural integrity of the masonry work.

  1. Mortar Degradation

Mortar, the bonding agent between bricks or stones, is particularly susceptible to water damage. Moisture can cause the mortar to deteriorate, affecting the overall stability of the masonry structure. It also creates openings for more water to penetrate and exacerbate the damage.

  1. Mold Growth

Water infiltration creates damp conditions perfect for mold growth. Mold not only affects the aesthetic appeal of the masonry but can also lead to health problems for the building's inhabitants. It further signifies a moisture problem that could be damaging the masonry.

Preventing Water Infiltration

Preventing water infiltration in masonry structures starts with high-quality construction practices. Using appropriate masonry materials, ensuring proper installation of flashing and weep holes, and regular maintenance are all key to reducing the risk of water infiltration.

Importance of Professional Inspection and Repair

Spotting the early signs of water infiltration can help prevent significant masonry damage. Therefore, regular professional inspections are critical. When damage is identified, prompt repair services, like those offered by Maçonnerie Montréal, can address the issue before it escalates.


Water infiltration can lead to serious deterioration of masonry structures. By understanding how water damage occurs and taking steps to prevent it, building owners can help ensure the longevity of their masonry structures.