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What a difference in heat containment, air quality and humidity...
Testimonial by David S. from Silverdale, WA

I called CleanSpace Northwest and they did an excellent job. They also do crawl space systems.
Testimonial by Ron Greene, Ron's Reasonable Repair from Silverdale, WA

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Basement Waterproofing in Washington

Professional Waterproofers Serving Olympia, Lacey, Bremerton

Basement Waterproofing Silverdale, WA

Basements are imperfect concrete structures built in soils that vary from region to region. Water in the soil leaking into basements is a problem that has troubled homeowners for more than 100 years. This water will enter the basement through the walls, floors, and joints between them. Let one of our basement waterproofing experts come and give you a free estimate on permanently fixing your basement. We have been fixing basements in neighborhoods like yours for over for many years. There is not a problem we don't have a solution for!

Other companies might try to sell you on inferior basement waterproofing solutions. Our products have been developed and perfected by Basement Systems, Inc. since 1987. Here are some common basement waterproofing solutions available:

Common Basement Waterproofing Solutions:

Sani-Dry System
Our products have been
developed & perfected by Basement Systems, Inc since 1987.
(Click for more information about each solution.)

Through years of research, Basement Systems has developed the most effective and long-term solution for wet basements. We took the best concepts from common, traditional waterproofing methods and combined them to create the most innovative and effective system in the industry.

Meet with one of our basement experts, and we'll show you how we can customize your waterproofing solution to keep the basement dry all the time!

Negative-side Sealant

This involves "painting" the basement walls and floors with a waterproof coating of cement that’s meant to seal out the moisture. It applies directly to the concrete’s surface with a brush or roller and is often applied when a homeowner is preparing for basement finishing.

Exterior Excavation

This involves digging out the entire perimeter of the basement, installing a new drain, and possibly adding a waterproof coating on the walls. This type of installation has been used for many decades—a drain of this type is generally installed when the home is built.

Interior Baseboard System

Installs on top of the basement floor with a drain that runs along the basement walls. Collects water and sends it to a sump pump system. No jackhammering is required, and the installation is safe for a monolithic basement floor.

Interior Subfloor Drain

Installs underneath the basement floor, with a drain that runs along the basement walls. Collects water and sends it to a sump pump system. The system is easy to service, and it can collect water leaking from the walls or windows as well.
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Our Patented Waterproofing System

WaterGuard is a piping system (interior subfloor system) engineered specifically to solve basement water problems effectively without worry of clogging from soils under the floor. It has large holes in the back to accept water and a flange with special segments.

The non-clogging WaterGuard System, together with a TripleSafe Sump Pump System, offer complete protection.

WaterGuard Basement Waterproofing System
Winner CQIA Innovation PrizeSump Pump
DryTrakDryTrak basement water control system
If your basement floor cannot be jackhammered, as is the case with a monolithic floor where the floor and foundation footing are one piece, DryTrak may be the best answer for your home. As a system that installs on top of the basement floor as a baseboard drain, it can collect water and direct it to your sump pump with no need for the floor's perimeter to be jackhammered.
Crawl Space Repair
Extensive research and development to solve ANY flooding or moisture problem.
Waterproofing Products
Sump Pump Installation
Want water out of the basement? Guarantee your sump pump is installed right!
Sump Pump Installation
French Drains & Drain Tile
Learn why old method just don't work and why you should use WaterGuard.
French Drain
Mold & Musty Odor
"Stinky basement syndrome." And dust mites love high relative humidity levels.
Mold & Musty Odors

CleanSpace® Northwest's Washington Crawl Space & Wet Basement Learning Center


Learn How to Fix Your Wet Basement Wet Basement?
Learn what causes and how to fix your wet basement
Learn More About Dirt Crawl Spaces Dirt Crawl Space?
How it can effect your home & health, and how to repair it
Learn More about Mold and Musty Odors Mold/Musty Odor?
Health effects of mold and it's prevention