Foundation Waterproofing is a general term that describes the range of services performed to fix a wet basement.
The first step in foundation waterproofing is to identify the source of the leak in your wet base¬ment. We begin by consulting with the homeowner to determine how, when, and where the problem occurs. If the basement is unfinished, diagnosis is much easier because water leaves a trail. Rest assured; however, our advisors are well trained to help you find the source of the problem in a finished basement through a variety of deduction methods.
Com¬mon Problems and Wet Basement Solutions
A good portion of our wet basement solutions involve sealing foundation wall cracks in poured concrete foundations. Cracks are readily visible in an unfinished basement; leaking cracks also leave water stains on the foundation wall and/or floor. In a finished basement, the diagnosis starts by identifying the area where water first enters the basement, then searching the exterior for cracks. All vertical cracks extend to the top of the foundation wall, which is normally exposed above the soil line. Cracks can be sealed from the interior using our Epoxy / Ure¬thane injection process or from the exterior using our Wall Clay process. Both methods are very reliable in preventing seepage through the cracks and both also carry our Lifetime Transferrable Warranty.

Another common basement waterproofing problem is when the source of seepage is at the cove joint, which is where the floor and wall meet. Often this is caused by hydrostatic pressure, which occurs when the water table rises after prolonged rain or snow melt. The accumulated weight of water in the ground (8 pounds per gal¬lon) forces water underneath the footing and up into the basement. The best solution to this type of problem is the installation of a Drain Tile System, with a sump pump used to discharge the water. The drain tile (called a French drain in some parts of the country) relieves the hydrostatic pressure by providing an easy path for the water to escape, thus eliminating the water pressure so that the seepage problem goes away.

Foundation Waterproof¬ing & Grading Problems.

Some¬times the diag¬no¬sis will show water com¬ing over the top of the foun¬da-tion, through the mor¬tar joint between the brick or wood fram¬ing that sits atop the foun¬da¬tion wall. This sit¬u¬a¬tion occurs because the exterior grading (or paving) meets the house at a level higher than the top of the con¬crete foundation wall. This can easily be confirmed by running a garden hose on the ground along¬side the area in question. Water will usually enter the basement quickly, so we recommend that you standby ready to turn off the water at a moment’s notice.
Often, lowering the grade is not a viable option in these cases. We usually recommend that an Exterior Subsoil Membrane be applied to the below grade portion of the wall in situations like this. It only needs to cover the wall from the soil line down and overlap the foundation by about 6 inches. Foundation waterproofing membranes are also very effective for waterproofing a variety of brick and stone foundation seepage problems.
Our Basement Waterproofing Services
There are many other ways water can enter a basement, as well. The key to waterproofing your wet basement starts with properly diagnosing the source of the problem. Group 247offers a free consultation and estimate as the first step in foun¬da¬tion waterproofing.
Basement Waterproofing Services

Foundation Crack Repair
The words might sound alarming to a homeowner, but our team can make foundation crack repairs are painless and minimally invasive.


Interior Drain Tile System
A functional drainage system is key to having a dry basement or crawlspace. A drainage system is commonly referred to as Drain Tile.

Exterior Waterproofing Membranes
Group 247 is a comprehensive, full service waterproofing company. What we mean by that is we don’t believe in a one-size-fits-all solution


Fast Track Interior Drain System
Our Fast Track Interior Drainage System is a great solution for controlling both wall and cove seepage (where the floor and wall meet).

Problem Areas
• Foundation Wall Crack
• Porous Concrete
• Floor Crack
• Cove Joint
• Grading Problems
• Pipe Penetration
• Tie Rods
• Masonry Foundation Leaks
• Basement Window Wells
• Sump Pump