Top-rated basement waterproofing pros.

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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon34
    Verified basement waterproofing services reviews

Find Basement waterproofing pros in Thornton

Avatar for Thrasher Foundation Repair - Denver

Thrasher Foundation Repair - Denver

9652 Hanover Ct W
New on AngiNew on Angi
Approved Pro

Thrasher Foundation Repair - Denver

9652 Hanover Ct W
New on AngiNew on Angi
Approved Pro
93 local quotes requested
50 years of experience

With 50 years of experience in the basement and foundation repair industry, Thrasher Foundation Repair offers trusted services to homeowners around Denver, CO. Recognized for our exceptional commitment to leadership, character, and organizational ethics, we are proud recipients of the 2024 International BBB Torch Award for Ethics. From cracked concrete repair to basement waterproofing and crawl space encapsulation, we provide state-of-the-art solutions to keep your foundation safe, dry, and healthy. Here at Thrasher, we guarantee precise repair and genuine care. We proudly offer our services in Fort Collins, Colorado Springs, Aurora, and surrounding areas. Contact us today at 303-586-5570 for a free inspection.

With 50 years of experience in the basement and foundation repair industry, Thrasher Foundation Repair offers trusted services to homeowners around Denver, CO. Recognized for our exceptional commitment to leadership, character, and organizational ethics, we are proud recipients of the 2024 International BBB Torch Award for Ethics. From cracked concrete repair to basement waterproofing and crawl space encapsulation, we provide state-of-the-art solutions to keep your foundation safe, dry, and healthy. Here at Thrasher, we guarantee precise repair and genuine care. We proudly offer our services in Fort Collins, Colorado Springs, Aurora, and surrounding areas. Contact us today at 303-586-5570 for a free inspection.


Avatar for Groundworks

Groundworks

4686 Ivy St
4.32(
190
)
Approved Pro

Groundworks

4686 Ivy St
4.32(
190
)
Approved Pro
Customers say: Super punctual
47 local quotes requested
26 years of experience

Established in 1999, Groundworks Colorado stands as a trusted subsidiary of Groundworks, a distinguished family of companies renowned for delivering unparalleled solutions. From foundation repair, structural reinforcement, crawl space encapsulation, basement waterproofing, and concrete lifting, we provide comprehensive services tailored to meet your needs. With our coverage spanning across the state of Colorado, we bring our local expertise closer to you. Groundworks proudly holds accreditation from the Better Business Bureau, a testament to our unwavering commitment to excellence. Drawing from decades of collective experience, extensive industry knowledge, and ongoing specialized training, our dedicated team is poised to safeguard your residential property against water damage, concrete sinking, and foundation instability. At Groundworks, we are not just builders; we are guardians of your peace of mind. Contact us today for a FREE estimate!

"No they were not what I expected they were supposed to level out my driveway and sidewalk and they didn't do a very good job and they were supposed to come out and fix what they f. ed up and I have not seen them yet I spent 4,000.00$ and I will have to replace everything."

Jeffery P on May 2025

Established in 1999, Groundworks Colorado stands as a trusted subsidiary of Groundworks, a distinguished family of companies renowned for delivering unparalleled solutions. From foundation repair, structural reinforcement, crawl space encapsulation, basement waterproofing, and concrete lifting, we provide comprehensive services tailored to meet your needs. With our coverage spanning across the state of Colorado, we bring our local expertise closer to you. Groundworks proudly holds accreditation from the Better Business Bureau, a testament to our unwavering commitment to excellence. Drawing from decades of collective experience, extensive industry knowledge, and ongoing specialized training, our dedicated team is poised to safeguard your residential property against water damage, concrete sinking, and foundation instability. At Groundworks, we are not just builders; we are guardians of your peace of mind. Contact us today for a FREE estimate!

"No they were not what I expected they were supposed to level out my driveway and sidewalk and they didn't do a very good job and they were supposed to come out and fix what they f. ed up and I have not seen them yet I spent 4,000.00$ and I will have to replace everything."

Jeffery P on May 2025


Avatar for Colorado Drain Systems, Inc.

Colorado Drain Systems, Inc.

8471 Brighton Road
4.35(
20
)
Approved Pro

Colorado Drain Systems, Inc.

8471 Brighton Road
4.35(
20
)
Approved Pro
Customers say: Terrific value
Recommended by 90% of Angi customers
Recommended by 90% of HomeAdvisor customers
19 years of experience

Colorado Drain Systems, Inc.is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business.

"We obtained 3 other quotes and the owner Joseâ s quote was more competitive. After speaking with him at our home, we felt confident that his team had the expertise to install our French drain. He was proactive in his communication and responsive to our many questions and concerns. The team were polite, quick, efficient and many of our neighbors commented afterward that they couldnâ t tell that our yard had ever been disturbed. We highly recommend Jose and his team, and will use them when itâ s time for us to install xeriscaping in our yard."

Hank A on September 2024

Colorado Drain Systems, Inc.is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business.

"We obtained 3 other quotes and the owner Joseâ s quote was more competitive. After speaking with him at our home, we felt confident that his team had the expertise to install our French drain. He was proactive in his communication and responsive to our many questions and concerns. The team were polite, quick, efficient and many of our neighbors commented afterward that they couldnâ t tell that our yard had ever been disturbed. We highly recommend Jose and his team, and will use them when itâ s time for us to install xeriscaping in our yard."

Hank A on September 2024


Avatar for Titan Foundation Repair, LLC

Titan Foundation Repair, LLC

4773 Everett Court
4.83(
43
)
Approved Pro

Titan Foundation Repair, LLC

4773 Everett Court
4.83(
43
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
33 local quotes requested

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of foundation repair services that are customizable to each individual project. We specialize in basement and foundation repairs. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

"Doydtssits"

Dave B on March 2023

We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of foundation repair services that are customizable to each individual project. We specialize in basement and foundation repairs. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

"Doydtssits"

Dave B on March 2023



Collins Ventures

5.00(
1
)

Collins Ventures

5.00(
1
)
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Here at Collins Ventures we specialize in all aspects of home renovation, including interior and exterior projects. We use only top of the line materials for every project to ensure a quality finished project that will bring equity to your home! Our team of skilled professionals have been serving the front range of Colorado for more than ten years

"He did a very good job and got it done fast! I would definitely recommend William and all the work he does is on point! Thank you ?"

Karissa P on February 2024

Here at Collins Ventures we specialize in all aspects of home renovation, including interior and exterior projects. We use only top of the line materials for every project to ensure a quality finished project that will bring equity to your home! Our team of skilled professionals have been serving the front range of Colorado for more than ten years

"He did a very good job and got it done fast! I would definitely recommend William and all the work he does is on point! Thank you ?"

Karissa P on February 2024


IM Colorado Caulking and Waterproofing L.L.C

No reviews yet

IM Colorado Caulking and Waterproofing L.L.C

No reviews yet

We are doing services such as caulking and sealants, waterproofing, and decoding. We have been in this industry for over 30 years. We focus on doing a better job while keeping quality and focusing on keeping the customer happy.

We are doing services such as caulking and sealants, waterproofing, and decoding. We have been in this industry for over 30 years. We focus on doing a better job while keeping quality and focusing on keeping the customer happy.


Avatar for BTB

BTB

No reviews yet

BTB

No reviews yet
3 years of experience

At BTB, our mission is to be a trusted partner for businesses seeking innovative and reliable coating solutions. Through continuous research, development, and a customer-centric approach, we strive to exceed expectations and contribute to the success and sustainability of our clients across diverse industries.

At BTB, our mission is to be a trusted partner for businesses seeking innovative and reliable coating solutions. Through continuous research, development, and a customer-centric approach, we strive to exceed expectations and contribute to the success and sustainability of our clients across diverse industries.


Avatar for HappyRemodeling

HappyRemodeling

No reviews yet

HappyRemodeling

No reviews yet

Remodeling residential homes and multi-family homes. We are a family owned and ran business. We offer demolition, framing, drywall repair and replacement. Laminate flooring, hard wood, porcelain tile and glass tile installation. Bathroom and kitchen remodeling High satisfaction from customers

Remodeling residential homes and multi-family homes. We are a family owned and ran business. We offer demolition, framing, drywall repair and replacement. Laminate flooring, hard wood, porcelain tile and glass tile installation. Bathroom and kitchen remodeling High satisfaction from customers


Avatar for Skyline Painting CO, llc

Skyline Painting CO, llc

No reviews yet

Skyline Painting CO, llc

No reviews yet
3 years of experience

At Skyline Painting Co., we are more than just a painting service; we are your partners in transformation. Specializing in both interior and exterior solutions, our comprehensive suite of services includes painting, drywall installation and repair, texturing, and much more. What sets Skyline apart? Our unwavering commitment to excellence and precision in every project, big or small. We understand that every stroke matters, every detail counts. That's why we approach each project with meticulous attention to ensure a flawless finish that speaks volumes. Behind every project is a dedicated team with years of hands-on experience. While we may have the expertise of a large business, we retain the personalized touch of an owner-operated venture. With a track record spanning several successful years in the industry, our reputation is built on trust, quality, and an unmatched dedication to our clients. Whether you're envisioning a fresh look for your home, revitalizing a commercial space, or embarking on a multifaceted renovation, Skyline Painting Co. is here to bring your vision to life with unmatched quality and craftsmanship.

At Skyline Painting Co., we are more than just a painting service; we are your partners in transformation. Specializing in both interior and exterior solutions, our comprehensive suite of services includes painting, drywall installation and repair, texturing, and much more. What sets Skyline apart? Our unwavering commitment to excellence and precision in every project, big or small. We understand that every stroke matters, every detail counts. That's why we approach each project with meticulous attention to ensure a flawless finish that speaks volumes. Behind every project is a dedicated team with years of hands-on experience. While we may have the expertise of a large business, we retain the personalized touch of an owner-operated venture. With a track record spanning several successful years in the industry, our reputation is built on trust, quality, and an unmatched dedication to our clients. Whether you're envisioning a fresh look for your home, revitalizing a commercial space, or embarking on a multifaceted renovation, Skyline Painting Co. is here to bring your vision to life with unmatched quality and craftsmanship.

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Basement Waterproofing questions, answered by experts

Brick is designed to absorb moisture, but it is also designed to let it evaporate as well. So in general, the goal shouldn’t necessarily be keeping moisture out but making sure it has the room to breathe. If you have excess moisture getting through your brick wall, it’s more likely that you have a crack or other issue at play that a typical sealant won’t fix. So, instead of investing in sealant, try repairing your brick wall instead.

A walkout basement is considered to be partially below grade because at least one wall is entirely exposed. In some cases and in specific municipalities, inspectors and appraisers will still count walkout basements as below grade, which means the space can’t serve as living space or be rented out. If you intend on using the area as living space or a separate apartment, you should check with your local building department to make sure it’s legal to do so.

Rigid foam insulation boards are one of the best insulation materials for crawl spaces. This material insulates the home well, resists water damage, and won't settle like fiberglass or cellulose. Closed-cell spray foam insulation is another effective insulation that both seals the air and provides excellent thermal protection for hard-to-reach spaces like crawl spaces.

As the first layer of water protection for your roof deck and the building materials below, underlayment is designed to prevent water damage, so it’s okay if it gets wet. However, you shouldn’t rely solely on underlayment for protection. If rain interrupts your roof project and you have all of the underlayment down, you’ll likely be fine, but you should install shingles over that layer as soon as possible, as long-term exposure can lead to water damage.

Venting the crawl space can be a good alternative to encapsulation if you live in a dry climate and the moisture problem isn’t severe. You could also try a dehumidifier or install a vapor barrier on the floor, leaving the walls exposed. A new drainage system may eliminate the moisture problem if it is not caused by humidity.

The Thornton, CO homeowners’ guide to basement waterproofing services

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