Rejointoiement et protection contre les intempéries: comment ça marche? (Guide 2024)
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Repointing and weather protection: how does it work? (Guide 2024)

The Art of Repointing and Weatherproofing

Masonry Joint Repair in Montreal and Surrounding Areas

If you're looking to enhance the durability, aesthetics, and resilience of your home or building in Montreal, Laval, Longueuil, South Shore, or North Shore, then you've come to the right place. At Masonry Montreal, we specialize in the art of repointing and weatherproofing for all types of masonry. In this article, we'll delve into the details of this essential process for preserving your structure.

The Importance of Repointing

Repointing, also known as "joint repair," is a masonry technique that involves replacing or repairing the joints between bricks, stones, or concrete blocks of a structure. This procedure may seem straightforward, but it plays a crucial role in the longevity of your masonry. Here's why:

  1. Weatherproofing : Damaged joints allow water to infiltrate the masonry, which can cause significant damage over time. By repairing the joints, you prevent water from entering and causing issues such as mold, crumbling, and discoloration.

  2. Structural Reinforcement : Repointing helps strengthen the structure by keeping bricks or stones in place. This prevents sagging and shifting of masonry elements, ensuring the stability of your building.

  3. Aesthetic Improvement : Damaged joints can make your building less appealing. By repairing or replacing the joints, you restore beauty to your property and increase its value.

How Repointing Works

The repointing process is a blend of art and science. Here's how it typically works:

  1. Initial Assessment : Our masonry experts start by inspecting your structure to determine the extent of damage and the best approach for repairs.

  2. Preparation : The area to be repaired is prepared by removing damaged joints and cleaning the surface to remove any dirt or debris.

  3. Material Selection : Choosing the right joint material is crucial. It must match the existing material and be compatible with the overall structure.

  4. Mortar Mixing : We prepare high-quality mortar by blending components such as cement, sand, and water to create a durable, weather-resistant mix.

  5. Application : The mortar is carefully applied to the joints to seal and reinforce the masonry. Our experienced masons ensure that the new joints blend seamlessly with the overall appearance of the structure.

  6. Finishing : Once the joints are applied, precise finishing touches are made to ensure a flawless appearance.

  7. Weatherproofing : Finally, we apply a sealer or protective coating to prevent future water infiltration.

Modern Technology and Materials

At Masonry Montreal, we are committed to staying at the forefront of technology and using the best available materials. Here are some of the advances that have transformed the field of repointing over the years:

  • Advanced Mortars : Modern mortars are designed to be more durable and weather-resistant, extending the lifespan of joints.

  • Precision Tools : Advanced masonry tools allow for more precise joint application, ensuring high-quality finishes.

  • High-Performance Sealants : Sealants used today offer superior protection against water and weather, reducing long-term maintenance needs.

  • Safety Equipment : We take safety seriously. Our teams are equipped with lifting gear and personal protective equipment to ensure safe and efficient work.

Why Hire Professionals

While some homeowners may be tempted to tackle repointing themselves, it is essential to enlist qualified professionals for this task. Here's why:

  • Technical Expertise : Our masons are trained and experienced in the art of repointing. They know the techniques and materials required for quality work.

  • Specialized Equipment : We have the necessary equipment to perform repairs efficiently and safely.

  • Quality Assurance : We guarantee a high-quality result, with joints that will last a long time and withstand the weather.

  • Time Savings : Hiring professionals saves you time and effort. We can complete the job more quickly and efficiently than if you were to do it yourself.

The Art of Weatherproofing

In addition to repointing, weatherproofing is a crucial step in preserving your masonry. There are several methods to protect your brick, stone, or concrete walls from the elements:

  • Hydrophobic Coatings : These coatings create a waterproof barrier while allowing the masonry to breathe. They are particularly effective in preventing water infiltration.

  • Anti-Mold Sealants : Specially formulated sealants can prevent the growth of mold and fungi on your masonry.

  • Damage Repair : It is essential to promptly repair any weather-related damage to prevent more significant issues in the future.


Repointing and weatherproofing are essential elements of masonry maintenance. At Masonry Montreal, we take pride in offering high-quality services to preserve the beauty and durability of your structures. If you are in Montreal, Laval, Longueuil, South Shore, or North Shore, feel free to contact us to discuss your masonry needs. We are here to help protect your investment.

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