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Annapolis, MD's Exterior Waterproofing Crew: Membrane, Drain Tile, and Grading

Exterior membrane systems, footing drains, and corrected grading tackle Annapolis, MD water intrusion at the source, before it ever reaches the interior wall.

Licensed Exterior Waterproofing service in Annapolis, MD - SGP Waterproofing
Why Choose Us

Why Annapolis, MD Property Owners Choose SGP Waterproofing for Exterior Waterproofing

A lot of Annapolis, MD 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 Annapolis, MD exterior job.

2

Local Equipment Staging

Weather-dependent scheduling means we plan exterior jobs around Annapolis, MD'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 Annapolis, MD
What We Do

What Our Exterior Waterproofing Service Actually Covers

Every Annapolis, MD 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 Annapolis, MD waterproofing fix available, addressing the wall itself rather than just managing water after it gets in.

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 Annapolis, MD 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 Annapolis, MD
How It Works

From Call to Resolution: How Exterior Waterproofing Works in Annapolis, MD

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

Real Exterior Waterproofing Reviews From Annapolis, MD Property Owners

Top rated local Exterior Waterproofing specialists in Annapolis, MD
★★★★★

"Membrane and footing drain install took three days but the wall that used to weep every storm has been bone dry since."

— Annapolis Homeowner

★★★★★

"Excavation crew was careful with our landscaping and put everything back close to how it looked before."

— Annapolis Customer

★★★★★

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

— Annapolis Homeowner

★★★★★

"Fast turnaround given how much digging was involved."

— Annapolis Customer

FAQ

Exterior Waterproofing Questions We Hear Every Week

What's the difference between interior and exterior waterproofing?

Interior systems manage water after it enters; exterior systems stop water from reaching the wall in the first place, which is more invasive but often more permanent.

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?

We'll walk through both options and their trade-offs so you can make an informed choice.

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 Annapolis, MD 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 Annapolis and Annapolis, MD

Exterior jobs depend on access and weather — call +1-866-476-1348 and we'll confirm scheduling for your specific Annapolis property.

Reliable Exterior Waterproofing contractor in Annapolis, MD by SGP Waterproofing
Affordable Exterior Waterproofing solutions in Annapolis, MD
Trusted Exterior Waterproofing service in Annapolis, MD - SGP Waterproofing

Zip codes we serve in Annapolis, MD: 21401 21403 21404 21411 21402 21405 21409

Annapolis, MD'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 Annapolis, MD

Annapolis (/əˈnæpəlɪs/ i ə-NAP-əl-iss) is the capital city of the U.S. state of Maryland and the county seat of, and only incorporated city in, Anne Arundel County. Situated on the Chesapeake Bay at the mouth of the Severn River, 25 miles (40 km) south of Baltimore and about 30 miles (50 km) east of Washington, D.C., Annapolis forms part of the Baltimore–Washington metropolitan area. The 2020 census recorded its population as 40,812, an increase of 6.3% since 2010.

Zip Codes in Annapolis, MD that we also serve: 21401 21403 21404 21411 21402 21405 21409

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