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Reinforcement and securing of masonry with structural anchors

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The reinforcement of masonry walls in Montreal is generally applied to stabilize the frost boils present in the walls.

Depending on the degree of degradation of the walls, the reinforcement can be done according to the following techniques:

  • Slight degradation: The reinforcement is done with anchors incorporated at given intervals in the joints of the wall. This method leaves no traces behind and does not affect the aesthetics of the masonry wall. It can extend the life of a wall for a period of 5 to 10 years.
  • Moderate degradation: This involves installing steel plates at fixed intervals in the deformed areas. These plates are bolted to the structure of the building to stabilize the progression of the frost boils. They can be painted to match the walls in question. This method can extend the life of the walls for a period of 3 to 5 years.
  • Advanced degradation: When walls contain damaged/shattered/cracked masonry units, safety nets or wire mesh must be installed on them to ensure the protection of the public. This mesh or netting is attached directly to the structure of the building with anchors. It’s also possible to combine the moderate degradation reinforcement technique with the advanced technique. This method is temporary and usually only lasts 3 years at most.

Regardless of the degree of degradation of the wall, we strongly recommend that reinforced walls be evaluated annually by specialists in the field.

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