How to Do Wet Basement Waterproofing in Deerfield, IL 60015


How to Do Wet Basement Waterproofing in Deerfield, IL 60015

 

Deerfield, IL is a town with a bit of a split personality.  The village is home to a number of corporate headquarters, including Walgreen’s, Baxter International and Takeda Pharmaceuticals, among others.  It’s also a desirable bedroom suburb with a variety of housing stock, excellent schools and a thriving commercial area.  In fact, it was named the 3rd best town in the U.S. to raise children by BusinessWeek.com in 2007.

More than 18,000 residents call Deerfield home today, living in 6400 homes built on former farmland.  Like most other suburban communities in the Chicago area, Deerfield experienced a building boom in the years following World War II when more than half of the village’s homes were built.   Like those in other homes of that vintage, Deerfield homeowners are facing maintenance issues as their homes age and that includes wet basements.

Wet basement waterproofing in Deerfield, or in neighboring Northbrook and Riverwoods, takes some special expertise.  Here’s how it’s done.

Wet Basement Waterproofing in Deerfield

Although each home and each wet basement is unique and should be inspected and diagnosed before recommending a repair, there are three common ways to do wet basement waterproofing in Deerfield.

Crack Repair – Most of the homes in Deerfield are built on poured concrete foundations and the most common source of a wet basement in those homes is a non-structural crack in the wall.  These cracks can be caused by foundation settling or by lateral pressure on the walls from over-saturated soil outside the foundation.  In any event, the best way to repair wall cracks is from the inside by injecting them with expanding polyurethane.  The urethane material fills and seals the crack all the way to the outside soil and remains flexible when cured to avoid re-cracking due to minor foundation movement.

If the crack is inaccessible from the inside, it can be repaired on the exterior by digging a small hole down to the foundation footings and filling it with sodium bentonite clay.  The clay absorbs water and sets up to form a pliable, impermeable barrier against water infiltration on the “positive side” of the foundation wall.

Interior Drain Tile – Drain tile is a very versatile and flexible tool for wet basement waterproofing.  A sub-surface drain pipe that lays next to the foundation footings below the basement floor, interior drain tile removes ground water that would otherwise be forced by hydrostatic pressure through cracks in the basement floor and through the cove joint.  This water enters the pipe through a series of perforations and is carried to a sump pump that discharges it from the basement.  Drain tile is generally maintenance-free once installed.

Exterior Waterproofing Membrane with Drain Tile – Sometimes it’s better to do wet basement waterproofing from the exterior, like applying an exterior waterproofing membrane, which is a thick coat of asphalt-modified polyurethane that is troweled on to a home’s foundation.  When the material cures it provides a watertight seal of the foundation wall and is a huge step above “damp-proofing,” a thin sprayed coat usually done at construction.  Exterior waterproofing membrane works best when installed along with exterior drain tile and covered with drainage board that protects it and channels water down to the drain tile.

Whatever form of wet basement waterproofing is best for a home, a Deerfield homeowner needs the expertise and skills of an experienced basement waterproofing contractor to make sure it’s done right.  At U.S. Waterproofing, we’ve helped hundreds of Deerfield homeowners keep their basements dry and their homes safe since our founding in 1957.  Why not ask for our free advice?


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