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Avatar for Envirotech Foam & Coatings, LLC
Envirotech Foam & Coatings, LLC
4.7(
27
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Marshall, TX and surrounding areas

In business since 2015

Free estimates

Warranties offered

"Admittedly a little more expensive, Scott gave me an education on spray foam insulation. I decided to go with them because he understood the process so well it just made me comfortable with the decision. Mini split installation and seal the cement and I’m gonna have a very comfortable place to work year round."
Big Zach's Restaurant
Big Zach's Restaurant
Newly Restored Everest Foam and Silicone Roof
Livingston Roof Before Restoration
Jacksonville Showroom/Warehouse

+2

Response time6 hrs
Response rate93%
Recommended by92%of homeowners
Avatar for Patriot Foundation Repair
Patriot Foundation Repair
4.6(
11
)
Basement Drainage Channels - InstallBasement Drainage Channels - RepairFoundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Marshall, TX and surrounding areas

In business since 2019

Free estimates

Emergency services offered

"Had 5 guys working with him, Because of my backyard is with a bunch of ponds and its been going on for a long time its a drainage that they did. They arrived by 8:30 in the morning. On time and they cleaned up good, very professional and thorough. They were very transparent and trustworthy. I'm very satisfied with the service."
Additional Photos
Additional Photos
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Additional Photos

+5

Recommended by90%of homeowners
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Basement Waterproofing questions, answered by experts

A sewage smell in your crawl space is usually from a damaged or clogged pipe leaking sewer gasses or actual sewage underneath your home, but there are some other common causes. Moisture, from poor or damaged encapsulation or a malfunctioning sump pump, can harbor mold and bacteria, causing a musty smell. Pests can also get stuck in your crawl space and die, which causes a sewage-like odor.

The cost of basement waterproofing is $4,950 for the average homeowner. However, you could end up paying between $600 and $14,000, depending on factors like basement size, waterproofing method, and the region you live in. 

If you live in an area with heavy rainfall, you might be paying more for waterproofing than if you lived somewhere drier since waterproofing contractors would be in high demand. Likewise, a 500-foot basement costs between $2,500 and $5,000 to waterproof, but that price rises significantly for a larger basement.

Regular inspections, maintaining proper grading around the foundation, and keeping gutters clear are advisable. Vapor barriers and sealants may need checking for wear after several years.

One handy thing about whole-house dehumidifiers is, once installed, you don’t have to worry about placement or changing the dehumidifier’s position. But if you are using a portable dehumidifier, we suggest keeping it away from walls, vents, and furniture. It needs a central, unobstructed spot with access to lots of air to do its job.

You should plan on waiting at least a year and ideally two to three years after construction before finishing your basement. This will give the foundation time to settle in response to the weight of your home and the expansion of the surrounding soil. You can then repair your foundation and seal any cracks as needed before finishing it to reduce your risk of future leaks or other issues.

The Marshall, TX homeowners’ guide to basement waterproofing services

From average costs to expert advice, get all the answers you need to get your job done.