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Waterproofing & Masonry Sealing

Water is masonry's worst enemy — especially in Calgary where freeze-thaw cycles can turn minor moisture problems into major structural damage. ACL Masonry's wat...

Overview

Water is masonry's worst enemy — especially in Calgary where freeze-thaw cycles can turn minor moisture problems into major structural damage. ACL Masonry's waterproofing and sealing services provide a protective barrier that keeps your masonry dry, intact, and looking great for years to come.

What We Offer

  • Breathable masonry sealant application
  • Foundation waterproofing
  • Chimney waterproofing
  • Stone and brick sealing
  • Below-grade waterproofing membranes
  • Through-wall flashing installation
  • Weeping tile and drainage systems
  • Moisture barrier installation

Common Problems We Fix

  • Water stains on interior walls
  • Efflorescence (white salt deposits) on masonry
  • Spalling from moisture trapped in brick
  • Damp or musty basement smell
  • Ice formation on masonry surfaces in winter
  • Mold growth on interior walls near masonry

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Waterproofing & Sealing Questions

Common questions about masonry waterproofing in Calgary

How much does masonry waterproofing cost in Calgary?

Masonry sealing and waterproofing in Calgary typically costs $3-$8 per square foot for surface sealers. Full waterproofing systems including membrane application and drainage start around $5,000+. The exact cost depends on wall area, product type, and preparation needed. Free quotes available.

How often should masonry be sealed in Calgary?

In Calgary's harsh climate, masonry sealers typically need reapplication every 5-10 years depending on the product used and wall exposure. South and west-facing walls may need more frequent treatment. We use premium breathable sealers that last longer than hardware store products.

What's the best waterproofing for Calgary's climate?

Breathable silane/siloxane penetrating sealers work best for Calgary's freeze-thaw cycles. They repel water while allowing moisture vapour to escape from within the masonry, preventing freeze damage. Film-forming sealers can trap moisture and actually cause more damage in cold climates.

Can you waterproof already-damaged masonry?

Damaged masonry should be repaired before waterproofing. Sealing over cracks or deteriorated mortar traps moisture inside, making the problem worse. We recommend a repair-then-seal approach for the best long-term results.

Does masonry waterproofing prevent efflorescence?

Yes, waterproofing significantly reduces efflorescence (white mineral deposits on brick). Efflorescence is caused by water moving through masonry and carrying salts to the surface. Preventing water penetration stops this process at the source.