Moisture Control by Twin State Basements in Vermont & Western New Hampshire

Moisture Control in Vermont & Western New Hampshire

Twin State Basements is the leading local basement waterproofing contractor, serving Vermont and Western New Hampshire families with a sub-floor drainage system engineered specifically to solve basement water problems effectively without worry of clogging from soils under the floor. Our systems are custom-designed to meet the needs of any home, regardless of age, size or style.

If you've seen signs that your basement has ever leaked or even flooded, then you should consider a proven basement waterproofing system. One thing is clear, basement water problems never get better, they only get worse. Even if your basement rarely ever gets wet, your home's air quality can be impacted by mold growth, and your home can have those musty, moldy smells. Nobody wants to be in a bad-smelling room, even if it is just to do the laundry.

The Twin State Basements Approach

We offer a combination of experience and advanced technology. Twin State Basements is an Authorized Grate Products™ Certified Contractor that includes exclusive access to the patented innovative products, comprehensive training and continued support from the national manufacturing Twin State Basements. We are the only Twin State Basements in the Vermont and Western New Hampshire area offering Grate Products' patented basement systems, which are distributed worldwide.

Over 30 years of on the job experience have gone into engineering the Twin State Basements waterproofing system. We install closed drainage systems which utilize a wall vapor barrier to direct water down into the sub-floor drainage. Then, our powerful, patented sump pumps pump water out of the home.

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When you consider the risks that a wet basement poses to your family’s health, the increased resale value of your home after waterproofing, and the risk of a flooded basement without waterproofing, the decision becomes easy.

Call our basement waterproofing experts today at 844-326-3616 or fill out our inquiry form for a free basement inspection.

Basement Waterproofing FAQs

What Is Hydrostatic Pressure?

Hydrostatic pressure is caused when water pressure builds up outside a foundation. The weight of the water pushes downward until it finds the path of least resistance, and since a basement is nothing but a hole in the ground it is easy to see why it would come in the small seam at the floor/wall seam.
It is usually recommended to discharge the water at least 10 feet or more away from the foundation. We accomplish this by installing an anti-freeze device and a solid pipe out to a yard drain. This pipe is buried underneath the sod and is hardly noticeable. 

How Much Does It Cost To Have My Basement Waterproofed?

It depends on different factors such as the size of your basement, the type of foundation and the type of water problem you are experiencing. Generally, the average 32ft x 24 ft basement will cost anywhere from $5000.00 to $10,000 depending on what type of equipment, battery backup system, etc. Financing options are available, and several things can be done to keep the cost down. For example, some people will install just the sump pump system to start. 

What Is GrateDrain™?

GrateDrain™ is a dual-chamber system that is designed to accept groundwater faster than any other drainage pipe on the market, yet it is placed just under the floor in front of the footer. This design allows groundwater to only be pumped if the water is going to come on the basement floor and doing so quickly when called upon to work.

What Is GrateSump™?

GrateSump™ is our specially designed sump pump collection system. It was designed by someone who installed thousands of sump pump systems over the years. It is not as deep as other sump liners on the market and it will not encourage undermining of the foundation. We use our FastSump to pump the groundwater out and away from the foundation.

There are many ways to lower the humidity in a basement or crawl space. Dehumidifiers are a good start, and can greatly alleviate basement moisture issues. Unfortunately, they are rarely enough to solve the problem.

We typically start by installing a wall vapor barrier along with a groundwater control system to reduce the amount of moisture that enters the basement. Because condensation forms on cold surfaces in the late spring, summer and fall months, a dehumidifier is typically still necessary to ensure a clean and comfortable space all year round.

In recent years, Twin State Basements has been installing the Moistu-Vac™ System on our GrateDrain™ systems for our customers in Vermont and Western New Hampshire. This system includes piping to the roof of the home and a fan which is installed outside or in the attic that draws air and moisture up from underneath the basement slab. This innovative system can remove up to 13 gallons of moisture from under the basement slab each day, capturing moisture before it even enters your home or building.

Rely on Twin State for Moisture Control at Your Home in Vermont or NH

When you need assistance with moisture controlcrawl space repairfoundation repairsump pump installationbasement waterproofing, or mold, dust mites and odors, the company to call is Twin State Basements. For years, we have set the industry standard for water control, drainage systems and more throughout Vermont and Western New Hampshire. When you need our services, give us a call at 844-326-3616 or Contact Us online to get a no-cost, no-obligation free estimate or to learn more about our services.


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Our high standard of quality ensures a healthy basement with a Nationally Backed Warranty.

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