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02 — Our expertise
Civil engineering and concrete
As a civil engineering contractor, PG delivers concrete repair in Quebec: industrial concrete rehabilitation, delaminated concrete treatment, crack injection and foundation waterproofing, from Montérégie to the Côte-Nord.
Construction & Expertise PG provides specialized civil engineering, concrete repair and infrastructure rehabilitation services throughout Quebec and Labrador. Our team supports industrial, commercial, residential and municipal clients through the assessment, design and execution of work suited to the actual condition of their structures.
Our services include concrete coring, thin repairs, structural toppings and slabs, delaminated concrete repair, shotcrete, formed concrete and cementitious injection. We also handle the rehabilitation of engineering structures, foundation waterproofing, crack repair and the design of concrete and asphalt mixes.
Before recommending a repair method, our engineers and technologists assess the causes of deterioration, the structure's service constraints and its exposure conditions. This approach leads to a durable solution rather than a surface fix that only postpones the problem.
PG can also design parking lots, pavement structures and drainage systems, including French drains and dewatering wells. From the initial assessment through to construction, our team ensures rigorous coordination, quality control and complete project documentation.
Services offered
Concrete rehabilitation and repair services
Through our broad civil engineering expertise, we assess urban structures and diagnose the structural condition of water, sanitary and storm networks, then recommend the appropriate rehabilitation techniques.
- Core drilling
- Thin repairs
- Structural slabs and toppings
- Delaminated concrete repairs
- Shotcrete and formed concrete
- Waterproofing of concrete and limestone block foundation walls
- Mass concreting
- Rehabilitation of engineering structures
- Cementitious material injection
- Design of cement concrete and asphalt mixes
- Crack repair in concrete foundation walls
- Design and installation of drainage systems (French drains, sump pits)
- Pavement structure design
- Parking lot design
Why PG
- 24/7 emergency service across Quebec
- Eight regional offices for fast mobilization
- Multidisciplinary teams: mechanical, civil, electrical, underwater
- Rigorous health & safety culture and regulatory compliance
Our approach
A proven method applied to every mandate, from the first site visit to final deliverables.
- 01
Needs analysis
Site visit, surveys and understanding of operational, access and schedule constraints.
- 02
Planning and quote
Work method, resources, health & safety plan and a detailed estimate before any mobilization.
- 03
Supervised execution
Qualified crews, on-site supervision, daily progress tracking and management of contingencies.
- 04
Delivery and follow-up
Quality control, close-out documentation and post-intervention follow-up to your requirements.
Projects
Related projects
Representative mandates for this field of expertise, with the challenge, the intervention and measured results.
Frequently asked questions
How do I know if my concrete is delaminated?+
Delaminated concrete sounds hollow under a hammer and shows spalling or rebar corrosion. We confirm the diagnosis through sounding, concrete core drilling and lab testing before recommending the right concrete rehabilitation.
When is shotcrete better than formed concrete?+
Shotcrete suits vertical, curved or hard-to-reach surfaces — rock faces, retaining walls, bridge structures — while formed concrete remains preferable for thick structural elements.
Does crack injection stop water infiltration?+
In most cases, yes. Resin or cementitious injection seals the foundation crack; it is often combined with foundation waterproofing and corrected foundation drainage.
Do you rehabilitate municipal engineering structures?+
Yes. We work on bridges, culverts, retaining walls and water networks for Quebec municipalities, including concrete mix design and pavement structure design.
Regional coverage
Concrete repair across Quebec and Labrador
Our eight regional offices mobilize qualified crews close to your facilities.
Next step
A demanding project? Let’s talk.
Our team can support you from the initial assessment through to the full delivery of the work.