Foundation & Waterproofing in Terrebonne
Compare 4 qualified businesses in Terrebonne in the foundation & waterproofing category. Read reviews, browse services and get free quotes.
Available contractors

Gesco Construction inc.
Gesco Construction Inc., based in Terrebonne (Lanaudière), specializes in foundations and concrete floors for residential and commercial projects. Also covers excavation, concrete breaking and foundation replacement. Registered RBQ, member APCHQ.

Groupe Fondabec inc.
Quebec leader in foundation repair and stabilization for over 20 years. Fondabec operates throughout Quebec to straighten foundations, build on pilings, install French drains, waterproof, and eliminate pyrite. Professional and responsive family team.

XMBC inc.
SOS Solage specializes in foundation repair, acrylic stucco installation, concrete repair, and interior and exterior French drain installation. The company operates on Montreal's North Shore and in Montreal.

Groupe Formabec inc
Fondabec is a Quebec expert in foundation and excavation with over 20 years of experience. Foundation straightening and stabilization, French drain, foundation replacement, waterproofing and pyrite elimination. Fast residential and commercial interventions throughout Quebec.
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Frequently Asked Questions
Why does my crack open in summer?▾
In clay soil, dry-season shrinkage lowers part of the foundation. The movement often reverses in spring. Monitoring with markers establishes the real amplitude.
Should I remove the tree near the house?▾
Not automatically. A mature tree dries clay in summer, which can accentuate shrinkage, but the diagnosis should weigh all factors before a final decision.
When are piles necessary?▾
When settling is confirmed and progressive. An engineer's report should precede this type of work, which is expensive and permanent.
How do I choose among several quotes?▾
By starting from a shared diagnosis. Without a report, each contractor proposes their own solution and the prices are not comparable.
What warranties should I ask for?▾
A written warranty on the repair, its term and scope, with proof of insurance and the CNESST clearance.
Foundation & Waterproofing in Terrebonne: what to know
Several Terrebonne sectors sit on clay soils that react to moisture swings. Clay swells when saturated and shrinks in dry spells, which works the foundation.
Seasonal movement
A crack that opens in summer and closes in spring often signals that soil movement. Monitoring over time, with markers, helps distinguish stabilised movement from progressive movement.
Trees
A large tree near the house dries the clay in summer and accentuates shrinkage. That is not a reason to remove it automatically, but it is a factor in the diagnosis.
Piles
When settling is confirmed, piles carry the load below the unstable layer. It is specialised work, framed by an engineer's report and a written warranty.
Licence
The contractor must hold a Régie du bâtiment du Québec licence, liability insurance and a CNESST clearance.
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