Solex · Foundation crack specialists since 2007

FOUNDATION CRACK REPAIR IN GREATER MONTREAL

Visible foundation crack? Water seeping into your basement? We diagnose and seal cracks with polyurethane or epoxy injection.

450-993-6457

Free estimate · Available 7 days a week

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Solex foundation specialists

Our services

FOUNDATION EXPERTS SINCE 2007

From diagnosis to final sealing, every intervention is designed to protect the structural integrity of your property.

Foundation crack repair

Polyurethane or epoxy resin injection selected for the crack. A durable, watertight and structural seal.

Expert assessment

A complete foundation assessment to identify the cause and recommend the right repair.

Excavation and drainage

When water pressure is involved, we address the source with excavation, drainage and waterproofing solutions.

Our method

6 steps — no guesswork

A proven method refined over 19 years. Every step documented, every decision explained.

01

Assessment and precise diagnosis

A complete interior and exterior evaluation, with clear recommendations.

02

Safe excavation

Full access to the crack while protecting the property and landscaping.

03

Foundation cleaning and drying

Debris removal, pressure washing and thorough drying for optimal adhesion.

04

Crack sealing

The crack is prepared and injected with polyurethane for a durable watertight seal.

05

Spray-applied polyurea membrane

A seamless, flexible high-performance membrane designed to withstand foundation movement.

06

Backfilling and site restoration

Careful backfilling and grading leave the property clean and stable.

Diagnosis

SIGNS A FOUNDATION CRACK NEEDS REPAIR

Visible vertical, stair-step or horizontal cracks

Water seepage after rain or spring thaw

White deposits or efflorescence on concrete

A crack that widens over time

Basement humidity, mould or musty odours

Damage that can reduce property value

Visible crack in a concrete foundation
Read the complete guide
Solex technician repairing a foundation crack from inside

Interior repair

FOUNDATION CRACK REPAIR FROM INSIDE

When conditions allow, our team seals the crack directly from the basement, preserving your landscaping and avoiding exterior excavation.

  • Polyurethane or epoxy injection based on the crack
  • No exterior excavation in most cases
  • Clean work that respects your living space
  • Durable sealing with professional-grade resins

Service area

SOUTH SHORE & GREATER MONTREAL

Based in Sainte-Catherine, we serve communities across Montreal's South Shore, Montérégie and the island of Montreal. Our team regularly works in Longueuil, Brossard, Saint-Lambert, Boucherville, La Prairie, Candiac, Châteauguay and surrounding areas.

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READY TO PROTECT YOUR FOUNDATION FOR GOOD?

Our team serves Montreal's South Shore and Greater Montreal. Detailed estimates and written warranties.