Foundation & Waterproofing in Laval
Compare 3 qualified businesses in Laval in the foundation & waterproofing category. Read reviews, browse services and get free quotes.
Available contractors

Aura Maison Inc
Aura Maison is a contractor specializing in foundation repair, French drains, basement cracks and basement waterproofing in Laval. Residential services including polyurethane injections, waterproofing membranes and basic masonry work.

Mac Excellence Plus inc.
Mac Excellence Plus is a residential renovation contractor established in Laval since 2007. The company offers complete renovation services (kitchens, bathrooms, flooring, windows, basements) for the Laval region and Greater Montreal, with guidance towards energy efficiency.

Groupe Pro-Métaux inc.
Groupe Pro-Métaux is specialized in the installation and management of metal structures (steel, aluminum, stainless steel) for residential, commercial and industrial use. The company offers stylized stairs, modern railings, building reinforcements and custom solutions with a precise execution team based in Laval.
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Frequently Asked Questions
My basement takes water. Is it the foundation?▾
Not necessarily. Gutters, lot slope and a blocked drain explain a large share of cases. Diagnosis must come before excavation.
Is injection a durable solution?▾
For an isolated crack in a stable concrete wall, yes, with a written warranty. For a wall that is moving, it only masks the problem.
What happens to my finished basement?▾
Interior work means removing part of the finishes. Ask for restoration to be priced in the quote from the start.
When is an engineer needed?▾
With settling, a horizontal crack or progressive movement. The report frames the work and protects your investment.
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 Laval: what to know
In Laval bungalows and cottages from 1960 to 1985, foundation problems almost always show up as basement water or a crack letting moisture through.
Diagnosis before work
Before accepting a full excavation, have the simple causes checked: downspouts discharging at the wall, lot sloping toward the house, a blocked weeping tile. Many damp basements are corrected without touching the foundation.
Cracks
A fine vertical crack is often repaired by injection. A horizontal or stair-step crack in a block wall signals lateral pressure and calls for a more serious assessment.
Finished basements
If the basement is finished, interior work means removing part of the finishes. Rebuilding must appear in the quote, otherwise the final bill surprises.
Licence
The contractor must hold a Régie du bâtiment du Québec licence, liability insurance and a CNESST clearance.
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