Quand dois-je faire appel à un professionnel pour un linteau fissuré?
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When should I call a professional for a cracked lintel?

When Should I Seek Professional Help for a Cracked Lintel?" - A Comprehensive Guide by Maçonnerie Montréal

In the field of masonry, certain repairs can be handled through DIY methods, while others require professional intervention. At Maçonnerie Montréal, we are frequently consulted about when it's necessary to call a professional for a cracked lintel. In this extensive guide, we'll delve into the signs that indicate it's time to call in the experts.

Understanding Lintels and Their Importance

Lintels, the horizontal blocks that span the space or opening between two vertical supports, play a crucial role in maintaining the structural integrity of a building. They bear the load from the structure above doors, windows, or other openings. Thus, it's imperative to promptly address any signs of damage to these components.

Identifying Cracked Lintels

Before you can make an informed decision about seeking professional help, you must first be able to identify the signs of a cracked lintel. Some common signs include:

  • Cracks in Masonry: Watch for cracks around your door and window frames. Horizontal, vertical, or diagonal cracks could suggest a lintel issue.

  • Bowing or Sagging: If your lintel is failing, the masonry above it could start to bow or sag, a clear indication of a lintel problem.

  • Rust Stains: For steel lintels, visible rust stains on the wall underneath the lintel could be a sign of trouble.

When to Seek Professional Help

Now, let's look at the signs that it's time to call in a professional:

  1. Severe Cracks: If the cracks are large and deep, a professional repair is required to ensure the safety and integrity of the structure.

  2. Significant Bowing or Sagging: Major sagging or bowing above the lintel is a clear sign of a severely damaged lintel that will require professional repair.

  3. Rust and Corrosion: If your steel lintels show significant rust and corrosion, this could compromise their strength and integrity, necessitating professional intervention.

  4. Movement in the Structure: If you notice any movement in the structure, such as shifting or cracking in other areas, it's crucial to call a professional. These signs may indicate a more severe structural problem.

Benefits of Professional Lintel Repair

Opting for professional help when dealing with cracked lintels brings many advantages:

  • Expert Evaluation: A professional mason can accurately assess the extent of the damage and provide the most effective repair solution.

  • Quality Workmanship: Professionals have the skills, experience, and tools necessary to repair lintels to high standards.

  • Safety: Handling lintel repairs can be risky for non-professionals. Professionals follow safety protocols to prevent injuries and further damage to the property.

  • Time and Cost-Efficiency: Although it might seem more cost-effective to DIY, mistakes can lead to more costly repairs in the future. A professional service ensures the job is done right the first time.


Cracked lintels can lead to serious structural issues if not addressed promptly and properly. While minor cracks might be suitable for DIY repair, significant damage warrants professional intervention. At Maçonnerie Montréal, we provide comprehensive lintel repair services to ensure the safety and integrity of your property. Trust us with your masonry needs – after all, we are experts in the field.