Drain tile

Very few builders that I'm aware of take the time or interest to adequately install drain tile.

Water naturally flows toward your foundation. This is especially true if you live on a hillside or even a slight slope (which, by the way, most of us do!) Water moves horizontally through soil. Water occupies the void spaces between the particles of soil. The deeper you go into a soil, especially if it is clay, the less space there is for water.

To make matters worse, the soil that is use for backfill around your house is rarely compacted. When it is dumped around your house it has huge amounts of air in it. This dirt was fluffed up and pumped full of air when it was dug from the ground. It can takes years and years for this ground to naturally compact. In some cases, where overhangs protect the dirt, it may never truly compact. It can always have more air in it than the soil that is only 5 or 6 feet away. This can spell BIG trouble for your foundation if it is not waterproofed AND if you have a bad drain tile installation.

From the above discussion, you can see why draintile is important, I hope. The point is this: the backfill soil has the capacity (because of the large volume of air) to hold large quantities of water. You need to collect this water rapidly and get it away from your foundation. That is the job of the draintile.

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To learn more about the products we use or discuss your waterproofing needs, call 301-898-3713 or e-mail info@bciwaterproofing.com.