How to Do Wet Basement Waterproofing in New Lenox IL 60451


How to Do Wet Basement Waterproofing in New Lenox IL 60451

Although the first settlement of what is now New Lenox Township took place in the 1820’s, the village of New Lenox itself is a relatively new entity, incorporated in 1946.  The creation of the surrounding township preceded that of the village by nearly 100 years, established in 1852 at the same time Will County was designated.

What drove all this municipal organization, like in many of the counties and villages surrounding Chicago, was the coming of the railroad, in this case the Rock Island Railroad between Chicago and the line’s namesake city.  The railroad brought a means of transport to market for the area’s farmers and served as an impetus for growth, not only of agriculture, but of affiliated businesses like dairy processing, grain milling and a hotel,

New Lenox remained a relatively small town until the early 1980’s when a residential real estate boom began.  Of the village’s approximately 8,000 homes today, more than 5,000 were built between 1980 and 2004 and the accompanying residential growth brought the village to its current population of more than 24,000.

Even with all those relatively new homes, New Lenox homeowners aren’t exempt from maintenance and home repairs.  In fact, many of them have discovered the need for wet basement waterproofing.

How to Do Wet Basement Waterproofing in New Lenox

Just as in nearby Joliet and Frankfort, each home in New Lenox that has basement water problems is diagnosed individually but there are several common wet basement waterproofing techniques that will solve most problems.

Wall Crack Seepage – In the poured concrete foundations that are common in New Lenox, the most frequent cause of water in the basement is seepage through a non-structural wall crack.  The best way to fix such a crack is to inject it with expanding polyurethane that will seal the crack all the way to the outside soil.  The polyurethane remains flexible when cured to prohibit re-cracking caused by minor foundation movement.

In a finished basement or other situation where the crack is inaccessible, it can be repaired on the outside with sodium bentonite clay.  The granular clay is poured into a small hole dug down to the foundation footings at the site of the crack where it sets up to form a pliable yet permanent water barrier.

Cove Seepage – Water can seep into a New Lenox basement through the cove joint where basement walls meet the floor or through cracks in the basement floor.  This seepage is caused by hydrostatic pressure under the foundation which can be alleviated by installing interior drain tile, a system of perforated pipe buried under the basement floor in washed gravel, to ease the pressure and carry ground water to a sump pump.  When properly installed, interior drain tile will require no maintenance.

Wall Seepage – A poured concrete wall can admit water through porous concrete or over the top of the wall; a masonry foundation through deteriorated mortar joints or porous masonry units, such as brick or concrete block.  This seepage can be prevented by applying an exterior waterproofing membrane, a thick coating of asphalt-modified polyurethane that is troweled onto the exterior walls to form a permanent barrier against water.

When ground water is high, the membrane can be augmented with exterior drain tile and heavy-duty drainage board that covers the membrane and channels water down to the drain tile.

Whichever method is best, a New Lenox homeowner in need of wet basement waterproofing will require the advice and services of an experience basement waterproofing contractor.  At U.S. Waterproofing, we have been solving basement water problems all over the Chicago area since 1957, including New Lenox. Why not ask for our free advice?


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