Glenview IL is a large suburban community north of Chicago. Formerly the home of the Glenview Naval Air Station, a World War II era defense installation, the village today is a mixed bag of residential and commercial development, including a significant center known as The Glen on the site of the old air base.
Glenview is also home to a number of corporate headquarters, including Kraft Foods, Avon and Illinois Tool Works.
More than 50,000 residents call Glenview home these days and the village has nearly 16,000 homes to accommodate them. Like homeowners everywhere, those in Glenview face regular issues of maintenance and repair, especially those who live in the one-third of Glenview homes that are at least 50 years old.
As homes age, they become more susceptible to damage, including basement water problems. Although every home should be evaluated to determine the source of and remedy for any water problems, one repair method that works in many situations is drain tile.
Water gets into a basement in a number of ways but some of the most common are seepage through a wall, through cracks in the floor or through the cove joint where the floor meets the wall.
All of these forms of seepage emanate from the same basic cause – pressure created by oversaturated soil outside or underneath the foundation. When the water table rises, hydrostatic pressure is created below. When soil outside the foundation walls becomes oversaturated from heavy rain or snowmelt, the soil expands and creates lateral pressure against the walls.
This pressure then forces water into the basement through the visible openings or porous spots in poured concrete walls and bad mortar joints in masonry walls.
Drain tile prevents these forms of seepage by alleviating the pressure in the soil or below the foundation and creating a conduit for the water to escape. If the seepage is occurring through the cove joint or cracks in the floor, interior drain tile is indicated. If seepage is coming through the walls, exterior installation of drain tile is recommended, along with an exterior waterproofing membrane.
In either case, drain tile consists of perforated plastic pipe installed in a bed of washed gravel alongside the foundation footings. The pipe is connected to a sump basin so that water that drains through it can be discharged from the home by a sump pump.
Installing interior drain tile is done by removing a strip of basement floor and digging a narrow trench down to the footing level. Flexible, corrugated pipe is used for interior installations and is wrapped in a “sock” of filtration fabric before it is embedded in washed gravel. Properly installed, interior drain tile should never require maintenance.
Exterior drain tile is installed at the bottom of an excavation created to apply an exterior waterproofing membrane to foundation walls. Rigid, perforated PVC pipe is used for exterior drain tile because of its resistance to soil movement and pressure. Similarly to interior drain tile, it is wrapped in filtration fabric and buried in washed gravel.
Determining whether drain tile will solve a basement water problem in a Glenview home and if an interior or exterior application is called for is the job of an experienced basement waterproofing professional. At U.S. Waterproofing, we have recommended and installed drain tile, both interior and exterior, for thousands of the more than 300,000 satisfied customers we have served since our founding in 1957. Why not ask for our free advice?
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