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Stop Leaking Basement From Outside

Stop Leaking Basements From Outside

Stop Leaking Basements From Outside

Exterior Membrane Waterproofing is The Basement Waterproofing Guy’s most popular method to stop basement leaks, especially when you have a finished basement and the leak is confined to one area. We can usually repair this type of leak without having to tear apart your beautiful basement. Quite often the problem is simply a small crack in the foundation caused by shrinkage, we usually repair this basement leak by excavating immediately around the affected area, around 5 to 6 feet along and all the way down to the footing. Proper diagnoses of your wet or leaking basement problem can help to minimize other costly basement repairs.

How The Basement Guy Repairs Leaking Basements

The processes starts with cleaning and drying the exterior leaking basement wall, sealing the crack with polyurethane then installing and sealing a drainage membrane (the drainage membrane creates an air gap between the wet earth and the wall, keeping the wall dry and preventing Hydro Static pressure). This results in water flowing down to the weeping tiles and draining away.
We test and replace the weeping tile only if it’s needed. All Waterproofing systems rely on the fact that there is adequate drainage at the base of the foundation. Without it, Hydro Static Floor Pressure would cause the water to come up through the perimeter and cracks in the wall and floor.

Common Causes Of Leaking Basements

In our experience, weeping tiles are less than 2% of the cause of all of our water proofing projects. Essentially water follows the path of least resistance, as the water seeps between your foundation and the earth it starts backing up because of dense soil. This backing up of water creates Hydro Static pressure against the foundation. Usually this is not a problem unless there is a crack in the wall, and then the water is forced in through the crack. When the water reaches the gravel bed of a functioning tile system it loses all pressure and is channeled into the tile channel. So by extending a drainage membrane from ground level to the weeping tile system you eliminate the possibility of Hydro Static pressure on the inside of the membrane at the wall, accordingly preventing a leaking basement.

Other Considerations

Some customers feel they need to have added protection such as a Blue Skin Membrane glued to the wall prior to the drainage membrane; this option is available at an additional charge per foot. We fully Waterproofing-Guarantee our system with or without the Blue Skin. In areas where we don’t need to excavate to the footing such as top rod holes, voids, and utility inlets close to grade we use a combination of Hydraulic Cement, Blue Skin, trowel on Aqua Block and Styrofoam. A drainage membrane is not used because we are not excavating to the weeping tile. Ask The Basement Waterproofing Guy about your specific situation and how we can help you stop a leaking basement.

Basement Waterproofing Product(s)

Basement Waterproofing Product(s) DELTA®-MS is a highly effective foundation protection system, based on a uniquely shaped air-gap membrane. It reliably keeps ground moisture away from the foundation wall – a key factor in achieving a permanently dry basement.

DELTA®-MS is a dimpled membrane, impermeable to water and water vapor. The vacuum formed exclusive dimple pattern creates an air-gap between the membrane and the foundation wall. This unique design allows any incidental water getting past the dimpled membrane to flow freely to the perimeter footing drain. The air-gap Waterproofing-Guarantees a safe separation and full capillary break between the foundation wall and any ground moisture.

Unlike any spray-applied coating, DELTA®-MS bridges large cracks and imperfections in foundation walls. This product can also be utilized as an effective protection layer over spray or sheet applied waterproofing systems.

DELTA®-MS is available in many sizes to cover any foundation with a minimum of overlaps and seams. The high compressive strength of the membrane is achieved due to a special dimple design and pattern, and ensures sustainable protection of foundation walls up to 12 ft below grade.

Learn more about The Basement Waterproofing Guy's Waterproofing-Products »


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It was nice to meet you and I wanted to say thank you very much for taking care of our basement last week...

As a professional property management company specializing in townhouse condominiums , it is very important for me to have honest and trustworthy...

I met Jason (the Basement Guy) eight years ago when we, along with others on our street, were having problems with our basements flooding during...

Thanks Jason, for your superb service. Jessy was really nice and helpful guy. He did a great job on the water leak (crack) we had in the basement...

I am writing this letter to thank you and your crew for the exceptional, efficient and timely service in repairing my basement....

Thank you very much for your Excellent Professional service. You come when you say you will come, and you do the job when you say you will do it...

Thanks for doing such a good job. (hope nothing leaks) Your crew was very professional and courteous...

Your tradesmen, Tate and Ed did an excellent job. They left the work site the way they found it. There professional manner was greatly appreciated...

I would like to take this opportunity to say how impressed I was by the politeness and professionalism of your 2 man crew who came to complete...

The first time Jessy came to our address, we were in the midst of trying to firm up the offer to sell our house-the buyers and their agent were...

I wanted to thank The Basement Guy Waterproofing Inc. for the service you provided my 83 year old mother in March 2012...

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