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Stop water at the source.

Exterior Foundation Waterproofing

The most effective way to protect your foundation is from the outside. We stop water before it can reach your foundation walls.

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What homeowners say

What Our Customers Say

★★★★★
Dry Duck did an amazing job. No more leaks, quick and professional. Highly recommend!
★★★★★
Professional start to finish. Knowledgeable team, work has held up perfectly.
★★★★★
Flooded basement emergency. They responded quickly and fixed it for good.
★★★★★
Foundation waterproofing exceeded expectations. Fair price, quality work.

Why this matters

Water Against Your Foundation Causes Lasting Damage

When water reaches your foundation walls from the outside, it can cause cracks, leaks, mold, and structural issues. Interior fixes alone often don't address the source. Exterior waterproofing stops water before it gets in.

What we do

Excavation, Waterproofing, and Drainage

We carefully excavate around your foundation, clean and prepare the walls, apply high-quality waterproofing membranes and sealants, and install drainage systems to redirect water away. Exterior waterproofing provides superior protection by stopping water at the source, protecting walls from water pressure, and extending the life of your foundation.

Exterior foundation waterproofing membrane installation Iowa Exterior foundation drainage and waterproofing services

Simple process, clear results

What It's Like Working With Us

From inspection to finished job, we keep things straightforward.

1

We inspect and recommend

We assess your foundation and site to determine if exterior waterproofing is the right solution. We explain the process and what to expect.

2

You get a clear plan and price

We give you a written estimate and a straightforward plan. No hidden fees. You decide when, or if, you want to move forward.

3

Protected foundation and peace of mind

We excavate, prepare walls, apply waterproofing materials, install drainage, and backfill. Our work is backed by a warranty.

Serving central Iowa

We Service These Areas in Iowa

Dry Duck Basements is located in Des Moines. We service exterior foundation waterproofing throughout Iowa, within about 60 miles of Des Moines. If you're in one of these areas, we can help:

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Related services

Other Services We Offer

Whether you need interior waterproofing, basement sealing, or leak repair, we have a clear plan and a fair price.

Basement Waterproofing

Complete solutions so water stays out and your basement stays dry.

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Foundation Waterproofing

Protect your foundation from water and prevent costly damage.

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Basement Sealing

Seal walls and floors to keep moisture and leaks from coming back.

Learn more →

Basement Leak Repair

Fast, lasting repairs when you have an active leak or flood.

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Risks of waiting or cutting corners

Risks of Delaying Exterior Waterproofing

Skipping waterproofing or hiring someone who cuts corners can lead to:

  • Recurring leaks and water damage that get worse over time
  • Mold and mildew that affect your family's health and air quality
  • Foundation cracks and structural issues that cost far more to fix later
  • Wasted money on band-aid fixes or contractors who don't stand behind their work

Get a trusted solution

Foundation damage from delaying exterior waterproofing - Iowa basement experts

Common questions

Frequently Asked Questions About Exterior Foundation Waterproofing

What is exterior foundation waterproofing?

Exterior foundation waterproofing involves excavating around your foundation and applying waterproofing materials to the outside of foundation walls. This prevents water from ever reaching your foundation.

How long does exterior waterproofing take?

Exterior foundation waterproofing typically takes 3-5 days, depending on the size of your foundation and accessibility. The process involves excavation, application of waterproofing materials, installation of drainage systems, and backfilling.

Protect Your Foundation from the Outside

Get a free estimate for exterior foundation waterproofing.

Get Your Free Estimate