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Allentown, PA's Exterior Waterproofing Crew: Membrane, Drain Tile, and Grading

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

24/7
Emergency Dispatch
100%
Flat-Rate Quotes
1-3
Day Turnaround
Written
Warranty Included
Licensed Exterior Waterproofing service in Allentown, PA - SGP Waterproofing
Why Choose Us

Why Allentown, PA Property Owners Choose SGP Waterproofing for Exterior Waterproofing

A lot of Allentown, PA 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

Exterior work involves excavation near the foundation, and every crew member is trained and insured for that specific scope.

2

Local Equipment Staging

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

3

Flat-Rate Excavation Pricing

Landscaping restoration is included in the scope, not billed as a separate surprise line item.

4

Dimpled Membrane & Footing Drain Systems

Membrane seams are overlapped and sealed to manufacturer spec so the barrier performs as designed for decades, not just years.

Professional Exterior Waterproofing technician working in Allentown, PA
What We Do

Comprehensive Exterior Waterproofing Solutions in Allentown, PA

Every Allentown, PA 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 Allentown, PA 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

We regrade the perimeter to direct surface water away from the wall, typically paired with downspout extensions.

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 Allentown, PA
How It Works

What Happens After You Call SGP Waterproofing for Exterior Waterproofing

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

We restore grading and any disturbed landscaping as the final step before calling the job complete.

Customer Reviews

Hear From Allentown, PA Customers We've Already Helped

Top rated local Exterior Waterproofing specialists in Allentown, PA
★★★★★

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

— Allentown Homeowner

★★★★★

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

— Allentown Customer

★★★★★

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

— Allentown Homeowner

★★★★★

"Fast turnaround given how much digging was involved."

— Allentown Customer

FAQ

Frequently Asked Questions About Exterior Waterproofing

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?▼

We discuss landscaping impact during the estimate so there are no surprises.

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 Allentown, PA 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

Exterior Waterproofing Coverage Across Allentown and Surrounding Allentown, PA Communities

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

Reliable Exterior Waterproofing contractor in Allentown, PA by SGP Waterproofing
Affordable Exterior Waterproofing solutions in Allentown, PA
Trusted Exterior Waterproofing service in Allentown, PA - SGP Waterproofing

Zip codes we serve in Allentown, PA: 18104 18101 18103 18102 18109 18001 18105

Get Exterior Waterproofing Handled Before It Gets Worse

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

Call +1-866-476-1348

Our Services in Allentown, PA

Allentown (Pennsylvania Dutch: Allenschteddel, Allenschtadt, or Ellsdaun) is a city in Lehigh County in the Commonwealth of Pennsylvania, United States. The city had a population of 125,845 at the time of the 2020 census.

Zip Codes in Allentown, PA that we also serve: 18104 18101 18103 18102 18109 18001 18105

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