Lethbridge, AB & the Southern Alberta

Basement Waterproofing in Lethbridge, AB

Interior and exterior basement waterproofing for Lethbridge, AB homes. Keep your basement dry year-round. Warranty-backed. Free estimates.

Why Basements Take On Water in Lethbridge

A wet basement usually comes down to water pressure building up in the soil around and beneath your foundation, especially during spring melt and heavy rain. In Lethbridge and the Southern Alberta, clay soils that hold water and a high water table in some areas make this a common problem. Water finds its way in through cracks, wall-floor joints, and gaps around pipes, and left alone it can lead to mold, damaged finishes, and further foundation deterioration.

Interior basement waterproofing system with drainage and sealed foundation wall

Interior vs. Exterior Waterproofing

Interior waterproofing typically involves an interior drainage system that channels water to a sump pit and pump, keeping the basement dry from the inside. Exterior waterproofing addresses the problem from outside by excavating around the foundation, sealing the walls, and improving drainage before water reaches the wall. Which approach makes sense depends on the source of the water, your foundation type, and site access, and we'll explain the tradeoffs during the inspection.

Our Waterproofing Process

We start by identifying where and why water is entering, since sealing the wrong spot solves nothing. From there we design a system to manage the water, whether that's interior drainage and a sump system, exterior sealing and drainage, or a combination. We also look at surface drainage and grading, because keeping water away from the foundation in the first place is often part of the fix.

Warranty-Backed Systems

Our waterproofing systems are warranty-backed, giving you documented coverage behind the work rather than just a promise the basement will stay dry. Combined with an honest diagnosis of the cause, you get both the system and the confidence that it targets the real source of the water.

Basement Waterproofing Pricing in the Lethbridge Area

ServiceTypical RangeNotes
Interior waterproofing / drainage system$3,000 - $12,000Varies by basement perimeter and pit work
Exterior waterproofing (excavation and sealing)$8,000 - $15,000+Varies by depth, access, and foundation type

These are typical ranges for the Lethbridge area. An on-site inspection determines your exact quote.

Our Other Services

Basement Waterproofing Across the Southern Alberta

We provide basement waterproofing throughout Lethbridge and the surrounding communities.

Contact Us Today for a Free Estimate

Talk to a foundation specialist about Basement Waterproofing in Lethbridge, AB.

Call (587) 813-5912   Request a Free Estimate

Free, no-obligation estimate