How much does pyrite repair cost in Montréal? Learn about warning signs, CTQ-M200 testing, removal steps and estimated 2026 prices.

In 2026, replacing a concrete slab and pyrite-contaminated backfill can represent a significant budget. For a basement, some estimates range from around $15,000 to $40,000, while a garage can cost several thousand dollars, depending on the surface area, access and the extent of the removal required. This price includes the full excavation of the contaminated backfill, its replacement with tested non-expansive crushed stone and the pouring of new concrete. Before undertaking this major work, an official technical test following the CTQ-M200 protocol is often required by financial institutions or during a real estate transaction to assess the swelling index.

Pyrite Repair in a Montréal Basement: How It Works and How Much It Costs

Find out which solar panel grant options are available in Canada now. Learn about rebates, incentives, and financing for homeowners in 2026.

A solar power grant can help reduce the upfront cost of installing solar panels, but the programs available in Canada vary by province, municipality, property type, and applicant. Some programs are direct rebates, while others are loans, property tax financing, mortgage insurance refunds, or tax credits.

Solar Power Grants: Rebates, Incentives, and Grants in Canada

How much does house lifting cost in Quebec in 2026? See price ranges, key factors, permits and foundation work to plan for.

In Quebec, owning an older home or a bungalow with foundations showing advanced signs of wear can be a major challenge. Whether the goal is to correct serious foundation cracks, replace concrete affected by pyrite, or simply gain usable living space by converting a crawl space into a full basement, building lifting is often a durable solution in several complex situations.

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