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Fix It From the Outside In: Exterior Waterproofing in Lexington, SC

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

Licensed Exterior Waterproofing service in Lexington, SC - SGP Waterproofing
Why Choose Us

Four Reasons Our Exterior Waterproofing Clients Don't Call Anyone Else

A lot of Lexington, SC 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 Lexington, SC exterior job.

2

Local Equipment Staging

Excavation equipment and membrane materials are staged locally so an exterior project doesn't wait on out-of-town logistics.

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 Lexington, SC
What We Do

What Our Exterior Waterproofing Service Actually Covers

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

Exterior

Foundation Excavation & Membrane Installation

This is the most comprehensive Lexington, SC waterproofing fix available, addressing the wall itself rather than just managing water after it gets in.

Exterior

Footing Drain (French Drain) Installation

A perforated footing drain collects groundwater at the base of the foundation and routes it away before it can build pressure against the wall.

Exterior

Exterior Grading Correction

Soil that slopes toward the foundation instead of away from it is one of the most common Lexington, SC 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 Lexington, SC
How It Works

Our Four-Step Exterior Waterproofing Dispatch Process

01

Call & Exterior Symptom Review

Photos of the exterior foundation area help us plan equipment and access before the visit.

02

On-Site Excavation Assessment

We flag any utility lines or landscaping features that need special handling during excavation.

03

Written Excavation Quote

You'll see linear footage, membrane type, and footing drain scope broken out with pricing before any digging starts.

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

What Lexington, SC Customers Say About Our Exterior Waterproofing Work

Top rated local Exterior Waterproofing specialists in Lexington, SC
★★★★★

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

— Lexington Homeowner

★★★★★

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

— Lexington Customer

★★★★★

"Window well kept flooding every storm. They excavated, added drainage, and resealed the window frame while they were at it."

— Lexington Homeowner

★★★★★

"Fast turnaround given how much digging was involved."

— Lexington Customer

FAQ

What Lexington, SC Customers Ask Us Most About Exterior Waterproofing

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?

Excavation typically goes down to the footing, which varies by home but is often four to eight feet depending on foundation 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 Lexington, SC water intrusion issues on their own.

How long does exterior waterproofing take?

Larger projects or difficult access points can extend the timeline, which we'll outline in the written quote.

Service Coverage

Proudly Providing Exterior Waterproofing Throughout Lexington and Lexington, SC

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

Reliable Exterior Waterproofing contractor in Lexington, SC by SGP Waterproofing
Affordable Exterior Waterproofing solutions in Lexington, SC
Trusted Exterior Waterproofing service in Lexington, SC - SGP Waterproofing

Zip codes we serve in Lexington, SC: 29072 29071

Lexington, SC's Exterior Waterproofing Crew Is One Call Away

Call now for a free inspection and a flat-rate quote before anything gets worse.

Call +1-866-476-1348

Our Services in Lexington, SC

Lexington is the most populous town in and the county seat of Lexington County, South Carolina, United States. It is a suburb of the state capital, Columbia. The population was 23,568 at the 2020 Census, and it is the second-most populous municipality in the greater Columbia area. The 2022 estimated population is 24,626. According to the Central Midlands Council of Governments, the greater Lexington area had an estimated population of 111,549 in 2020 and is considered the fastest-growing area in the Midlands. Lexington's town limits are bordered to the east by the city of West Columbia.

Zip Codes in Lexington, SC that we also serve: 29072 29071

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