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Basement Repair Services & Products

Basement Dehumidifiers

Basement Sealing

Basement Seepage Solutions

Basement Wall Repair

Flood Vents

Drain Tile Installation

Dry Basement Systems

Exterior Waterproofing

Flooded Basement Repair

Foundation Waterproofing

French Drain Installation

Interior Waterproofing

Leaky Basement Repair

Sump Pump Drainage

Sump Pump Installation

Sump Pump Repair

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Wet Basement Solutions

Basement Insulation

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Crawl Space Repair Services & Products

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Company Awards

Top Air Filter System of 2025

This award is in recognition of the best in the industry air purifier; the Aspen, from the company Elemental Air... [Read more]

Global Awards 2024/2025

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Oregon Business 100 Best companies to work for in Oregon - 2025

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Reviews from our customers in Carnation, WA

5.0/5
Jim M. Jim M.

A very hardworking crew who did the installation! You're fortunate to have such good workers...

Your Trusted Home Services Provider in Carnation Area

Top-Quality Basement Waterproofing, Crawl Space Repair & More in Carnation, WA

Your Carnation home is a significant investment, and protecting it is a priority. Working with a trusted and experienced home services contractor is one of the best ways to safeguard your property. In Carnation, John's Waterproofing is the team you can rely on.

Since 1974, our dedicated team has served homeowners throughout Washington with outstanding service. We take pride in using only premium products from renowned brands such as Basement Systems Inc. and Total Basement Finishing™ to ensure lasting results. Whether you need basement waterproofing, crawl space repair, or other services, you can count on John's Waterproofing to deliver the best. Explore the services we offer below!

Our services:

Basement waterproofing
Basement crack repair
Crawl space repair
Crawl space encapsulation
Mold remediation

Insulation
Foundation repair
Foundation leak repair
Sump pump installation
And More!

John's Waterproofing is honored to serve homeowners in Carnation and across King County. Contact us at 1-503-738-1864 or click below to book your free estimate today!

Get a FREE Estimate!

Carnation Expert Basement Waterproofing Services

Struggling with a damp, musty basement? At John's Waterproofing, we believe you shouldn’t have to deal with a wet, uncomfortable basement. Since 1974, we’ve been helping homeowners in Carnation with reliable, effective basement waterproofing solutions. With years of experience and advanced waterproofing technology, our team is dedicated to transforming your basement into a dry, safe, and livable space.

Our basement waterproofing solutions

Perimeter drainage systems
Doorway drainage systems
Sump pumps
Replacement windows
Wall panels
Vapor barriers

Radiant heat barriers
Waterproof flooring
Dehumidifiers
IceGuard® discharge line system
Crack repair
Downspout extensions

Say goodbye to basement water issues once and for all! Contact John's Waterproofing today to schedule your free on-site inspection and estimate for expert basement waterproofing services in Carnation and surrounding areas.

Trusted Crawl Space Encapsulation in Carnation

We’ve all heard the phrase, “out of sight, out of mind,” and your home’s crawl space is a perfect example of this. Damp, dirty, and musty crawl spaces can become home to pests or rodents. It’s no wonder so many homeowners neglect them! Unfortunately, the problems in your crawl space can affect your entire home, leading to poor indoor air quality, higher energy bills, sagging floors, and more.

The good news is that John's Waterproofing is here to help! As your local crawl space repair experts, we offer effective solutions to address and prevent these common crawl space issues. Our crawl space encapsulation system includes vapor barriers and thermal insulation to keep moisture, pests, and contaminants out while ensuring your air stays clean. We also specialize in repairing mold damage to crawl space support beams, preventing further structural issues and saving you from costly repairs down the road.

Our crawl space repair solutions

Crawl space encapsulation
Crawl space drainage
Drainage matting
Wall insulation
Floor insulation
Secure access wells

Crawl space doors
Vent covers
Structural repair
Crawl space fan
Crawl space dehumidifier
Crawl space excavation

Don’t let crawl space issues impact your home any longer. Contact John's Waterproofing today to schedule an inspection and receive a free estimate from our Carnation crawl space repair specialists.

Expert Basement Finishing in Carnation

Along with our top-tier basement waterproofing services, John's Waterproofing specializes in transforming your basement into a functional, livable space using our advanced finishing system. We help you maximize your below-grade area with premium products designed to keep your basement dry, beautiful, and suited to your needs, both now and in the future. Whether you want to add a new bedroom, create a storage area, or build the ultimate space for hosting guests, we have the perfect solution for you!

Give us a call at 1-503-738-1864 or schedule a free estimate to learn more about basement finishing in Carnation.

Trusted Foundation Repair Services in Carnation

Is your foundation showing signs of damage, such as bowing, cracking, or shifting walls? Have you noticed uneven floors or sagging above your crawl space? If so, John's Waterproofing is here to help. We specialize in dependable foundation repair services throughout Carnation, WA, and the surrounding areas. Our skilled team is equipped to assess and repair various foundation issues, including cracked and buckling walls. Using high-quality foundation repair products, we work quickly and efficiently to restore your foundation to its best condition and prevent future damage.

Foundation repair services in Carnation

Steel I-beam systems
Carbon fiber wall reinforcing systems
Crawl space support jacks
And more!

Contact John's Waterproofing today at 1-503-738-1864 or reach out online to schedule your free, no-obligation foundation repair estimate in Carnation and surrounding areas.

Get a FREE Estimate!

Job Stories From Carnation, WA

Rodent Issues in Carnation, WA

After viewing our ad in a local coupon book, this homeowner contacted us. They had been suffering from rodent issues for years. They would call out pest control, lay our traps, and these than had to be cleared and replaced as needed. Tired of having to deal with this, the owners were in search of a way to deter the rodents from even entering the crawl space. So they contacted John's Waterproofing and scheduled their free inspection, during which we did a full crawl under the home, and than sat with the owners to go over a solution.

To begin we pulled out the old vapor barrier and debris. We than installed a drain system on the inside of the crawl space and sump pump. These will keep the space dry against water issues. We then installed TerraBlock insulation over the dirt floor. This helps to control the environment within the crawl space. Next we brought in CleanSpace, this material is made with a woven fiber through it. This makes the material durable and difficult for any critters to chew through, thus deterring rodents from entering the crawl space. This is installed between the wooden posts and its footings, is anchored and sealed along the foundation walls, and fully sealed along each seam. We than installed a SaniDry dehumidifier, which will keep the relative humidity controlled. We than applied spray foam insulation along the foundation walls, which will insulate and air seal, making it so critters can't just creep through the walls. Now the space is built to deter rodents from entering.

Basement Getting Damp in Carnation, WA

This basement had the back half of the basement built into the hillside, and the front half was finished and not below-grade. The basement section in the back was unfinished and contained the laundry space, the water heater, and storage racking. As the years proceeded the homeowners felt the space become more musty and damp. With the finished section so close, they were becoming more concerned about water damage creeping through the home to cause problems. To address this, the owners contacted John's Waterproofing to receive their free inspection.

For a real solution we began by digging a trench along the three below-grade walls. We dug the trench, laid in gravel, and our WaterGuard drain system. This will collect the water and send it all along to the lowest point in the room. Here we installed a TripleSafe sump pump to pump the water safely through a discharge line and away from the home. For the walls, we than installed our CleanSpace wall system. This is a vapor barrier that is 20 mil thick. It will safely guide water and moisture down the wall to be collected in the WaterGuard. We than installed a SaniDry dehumidifier to ensure the air within the space is kept at a healthy relative humidity.

Addressing the Down Spouts and Crawl Space - Carnation, WA

When water was puddling around the home and making the lawn a mess, this homeowner decided they wanted to do something about it. They contacted John's Waterproofing and scheduled their free inspection. We sent out a design specialist who did a full crawl through of the crawl space and walked around the exterior of the house. It was evident that the crawl space was taking on water, primarily where the downspouts were placed. Each downspout was only a few inches long, dumping the roof water right next to the homes foundation. This excess water pressure was an issue. To address the problem and work with the owners budget we worked on a repair plan.

To begin we worked on the down spout. Each down spout was extended into the ground and we installed underground pipes to take the water a safe distance away from the home. This keeps that roof water from dumping where it can re-enter under the home. We than crawled under the home and removed the old vapor barrier and debris. Next we installed a full interior drain system with a SuperSump Plus. These will work to collect ground water and channel them to the lowest point. From here the water is pumped away from the home. We than laid down a new 6 Mil vapor barrier, overlapping the edges and running these up the walls to help keep the space dry, stable, and healthy.