Basement Waterproofing Calgary

A Dry Basement Is the Starting Point

Calgary soils and drainage conditions vary by property. Moisture assessment should identify the likely source, risk, and appropriate remedy before work is scoped; no waterproofing method guarantees a dry outcome in every condition.

Water doesn’t just damage drywall. It destroys equity. Mold can form within 24 to 48 hours of moisture exposure, and Calgary’s freeze-thaw cycles create new entry points every spring.

Interior drainage systems, sump pumps, crack repair, exterior membranes, and grading may each be relevant. We assess the foundation’s soil, water, grading, and drainage conditions and document which solution is included in the approved scope.

Every waterproofing project includes moisture testing, crack injection, vapour barrier installation, and drainage routing to a code-compliant sump pit. We don’t guess. We test, measure, and engineer.

Our Waterproofing Services

• Interior drainage system installation
• Sump pump installation and battery backup
• Foundation crack injection (epoxy and polyurethane)
• Exterior waterproofing membrane application
• Window well drainage and covers
• Vapour barrier installation
• Weeping tile repair and replacement
• Grading and drainage correction

Why Calgary Homeowners Choose OAF

• Written scope and agreement. Included work, allowances, exclusions, and the change process are documented before work begins.
• Permit-aware planning. We identify required applications and inspections within the approved scope; the City controls approvals.
• One Contractor, One Team. No subcontractor roulette. Our in-house team handles everything.
• Licensed, Insured, WCB. Full commercial liability insurance and a 5-year workmanship warranty.

Stop the water. Protect your investment. Get a free quote and we’ll assess your basement’s moisture situation. No obligation, no pressure.

Planning note: pricing, timing, permit requirements, and incentive eligibility depend on the property and current authority requirements. Review the City of Calgary basement guidance before committing to work.