La rejointoiement peut-il améliorer l'isolation de ma maison ?
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Can repointing improve my house's insulation?

Discover the Benefits of Repointing for Improved Insulation and Energy Efficiency

What is Repointing and Why is It Important?

Repointing is the process of repairing and restoring the mortar joints in masonry buildings, such as brick or stone structures. Over time, the mortar can deteriorate due to weathering, water infiltration, and other factors. Repointing is essential to maintain the structural integrity, appearance, and insulation of your building.

How Repointing Can Improve Insulation

Repointing can indeed improve the insulation and energy efficiency of your home. Here are the main ways repointing can contribute to better insulation:

1. Sealing Gaps and Cracks

Over time, gaps and cracks can form in the mortar joints of your building, allowing cold air to enter and warm air to escape. Repointing effectively seals these gaps and cracks, reducing drafts and improving the overall insulation of your home.

2. Preventing Moisture Penetration

Moisture penetration can significantly impact your home's insulation and energy efficiency. When water enters your home's walls, it can reduce the effectiveness of insulation materials and increase heat loss. Repointing prevents moisture from infiltrating your walls, thereby protecting your home's insulation and reducing energy loss.

3. Enhancing Thermal Mass

Masonry walls have a high thermal mass, meaning they can absorb, store, and release heat. Repointing can improve the thermal mass performance of your walls by ensuring they are well-sealed and in good condition. This allows your home to retain heat more effectively and maintain a more consistent indoor temperature.

4. Increasing Energy Efficiency

By improving insulation and reducing drafts, repointing can ultimately increase the energy efficiency of your home. This means that your heating and cooling systems will require less energy to maintain a comfortable indoor temperature, potentially lowering your energy bills and reducing your carbon footprint.

Why You Should Choose a Professional Masonry Company like Maçonnerie Montréal

When it comes to repointing, hiring a professional masonry company like Maçonnerie Montréal is the best choice for ensuring high-quality work and improved insulation. Here's why:

  • Expertise: Professional masons have the necessary skills and experience to perform repointing work that effectively improves insulation and energy efficiency.
  • Proper Materials: A professional mason will use the correct mortar mix and materials for your specific building, ensuring a long-lasting and effective result.
  • Safety: Professionals have the proper tools, equipment, and safety measures in place to protect both the workers and the building during the repointing process.
  • Guarantee: Most professional masonry companies offer warranties or guarantees on their work, providing peace of mind and protection for your investment.


Repointing can indeed improve the insulation and energy efficiency of your home, making it a worthwhile investment. By choosing a professional masonry company like Maçonnerie Montréal, you can ensure the best possible results and enjoy a more comfortable and energy-efficient living space.


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