Waterproofing the foundation slab

Professional waterproofing in Quebec

Protect your concrete structures against water and humidity with our expertise in waterproofing of sub-base slabs. With over 30 years’ experience, Toitures LV offers complete installation, repair and maintenance solutions for decks, balconies, foundations and concrete floors.

We also offer 24/7 emergency service throughout Greater Montreal.

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Why choose a tréfond slab?

Optimum water protection
High-performance membranes prevent infiltration, moisture and corrosion caused by de-icing salt.
Resistance to Quebec climate
Materials designed to withstand freeze-thaw cycles and heavy loads.
Guaranteed durability
A solution that protects your surfaces for up to 20 years and increases the value of your property.
No infiltration
Completely watertight, from surface to depth.

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Our specialized services

Waterproofing of terraces, balconies and concrete floors
Foundation wall protection with multi-layer systems
Durable, UV- and weather-resistant flat roofs
Precise sealing of junctions (slab-wall, parapets, etc.)
Professional repairs (injections, joints, rework)
Annual preventive inspections
24/7 emergency service

Our 4-step process

Free inspection – Complete assessment of your needs
Tailor-made solutions – A plan adapted to your structure and budget
Expert installation – Carried out by our certified technicians
Written warranty – Protection on materials and workmanship

Toitures LV expertise

✓ Over 30 years of recognized experience in Quebec
✓ Integrated solutions from design to maintenance
✓ High-performance materials adapted to local climate
✓ Residential, commercial and institutional service