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Fix It From the Outside In: Exterior Waterproofing in Madison, WI

We excavate only where necessary and restore landscaping as part of the scope.

Licensed Exterior Waterproofing service in Madison, WI - SGP Waterproofing
Why Choose Us

What Sets Our Exterior Waterproofing Team Apart in Madison, WI

A lot of Madison, WI exterior waterproofing failures trace back to a footing drain that was installed without proper slope, which means it never actually moved water the way it was supposed to. We verify slope during installation, not just at design.

1

Licensed Excavation & Waterproofing Crews

We call in utility locates before any digging starts, standard on every Madison, WI exterior job.

2

Local Equipment Staging

Weather-dependent scheduling means we plan exterior jobs around Madison, WI's rainy season windows when possible.

3

Flat-Rate Excavation Pricing

Pricing is quoted per linear foot of foundation wall being treated, based on an on-site measurement, not a phone estimate.

4

Dimpled Membrane & Footing Drain Systems

We install dimpled membrane rated for below-grade use, paired with a footing drain that ties into your existing or new drainage system.

Professional Exterior Waterproofing technician working in Madison, WI
What We Do

The Full Scope of Our Madison, WI Exterior Waterproofing Work

Every Madison, WI Exterior Waterproofing job starts with an inspection, not a generic package — here's what that typically includes.

Exterior

Foundation Excavation & Membrane Installation

We excavate to the footing, apply a dimpled waterproof membrane directly to the foundation wall, and backfill with proper drainage material.

Exterior

Footing Drain (French Drain) Installation

We slope footing drains correctly during installation, since a flat or reverse-sloped drain simply won't move water.

Exterior

Exterior Grading Correction

Soil that slopes toward the foundation instead of away from it is one of the most common Madison, WI water intrusion causes, and it's often the cheapest fix on this list.

Exterior

Window Well Excavation & Drainage

We also inspect and reseal the window frame itself while the well is open.

Exterior

Downspout & Gutter Extension

This is often bundled with grading correction since the two issues usually show up together.

24/7 Emergency Exterior Waterproofing experts in Madison, WI
How It Works

Our Four-Step Exterior Waterproofing Dispatch Process

01

Call & Exterior Symptom Review

We ask about grading, downspout placement, and where interior water is showing up to narrow down the likely exterior cause.

02

On-Site Excavation Assessment

A technician walks the exterior perimeter, checks grading slope, and identifies where excavation would be needed for a membrane or footing drain fix.

03

Written Excavation Quote

We explain what's included in landscaping restoration so there's no confusion after backfill.

04

Excavation, Membrane & Backfill

Excavation, membrane installation, and backfill for a typical residential wall section usually take a few days depending on access and weather.

Customer Reviews

Hear From Madison, WI Customers We've Already Helped

Top rated local Exterior Waterproofing specialists in Madison, WI
★★★★★

"Interior fixes hadn't worked for us — turned out the real problem was grading pushing water straight at the foundation. Exterior correction solved it."

— Madison Homeowner

★★★★★

"They found our downspouts were dumping water two feet from the foundation. Extended them and regraded, and that alone made a noticeable difference."

— Madison Customer

★★★★★

"Appreciated that they called in utility locates before digging near our gas line."

— Madison Homeowner

★★★★★

"Fast turnaround given how much digging was involved."

— Madison Customer

FAQ

Exterior Waterproofing Questions We Hear Every Week

What's the difference between interior and exterior waterproofing?

We'll recommend the right approach based on what the inspection actually finds.

Will excavation damage my landscaping?

Some disruption is unavoidable near the foundation, but we restore grading and replant where reasonable as part of the scope.

How deep do you need to excavate?

We measure your specific foundation during the on-site inspection rather than assuming a standard depth.

Is exterior waterproofing more expensive than interior?

Generally yes, since it involves excavation, but it addresses the source of water intrusion rather than managing symptoms after entry.

Can you fix grading without a full exterior membrane project?

Yes — grading correction and downspout extension are often standalone fixes that resolve a surprising number of Madison, WI water intrusion issues on their own.

How long does exterior waterproofing take?

A typical residential wall section with membrane and footing drain work takes a few days depending on access and weather conditions.

Service Coverage

Proudly Providing Exterior Waterproofing Throughout Madison and Madison, WI

We handle exterior excavation and membrane work throughout Madison and the surrounding Madison, WI service area, including the zip codes listed below.

Reliable Exterior Waterproofing contractor in Madison, WI by SGP Waterproofing
Affordable Exterior Waterproofing solutions in Madison, WI
Trusted Exterior Waterproofing service in Madison, WI - SGP Waterproofing

Zip codes we serve in Madison, WI: 53706 53704 53705 53703 53714 53726 53792 53719 53718 53715 53717 53716 53711 53713 53701 53702 53707 53708 53725 53774 53777 53782 53783 53784 53785 53786 53788 53790 53793 53794

Don't Wait On Exterior Waterproofing — Call Now

One call gets you a licensed specialist, a written quote, and a same-day time window.

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Our Services in Madison, WI

Madison is the county seat of Dane County and the capital city of the U.S. state of Wisconsin. As of the 2020 census the population was 269,840, making it the second-largest city in Wisconsin by population, after Milwaukee, and the 80th-largest in the U.S. Madison is named for American Founding Father and President James Madison.

Zip Codes in Madison, WI that we also serve: 53706 53704 53705 53703 53714 53726 53792 53719 53718 53715 53717 53716 53711 53713 53701 53702 53707 53708 53725 53774 53777 53782 53783 53784 53785 53786 53788 53790 53793 53794

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