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Causes of a Wet Basement
Think of it this way: When your home was built, a hole had to be created to accommodate the basement. The ground never completely recovered from the creation of this hole, so whenever it becomes saturated, water will always travel towards it. This water then creates pressure around your basement walls and floors (hydrostatic pressure), which more often than not, causes seepage through cracks, joints, or openings. In fact, the National Association of Realtors state that 85% of all homes in America have wet basements at some point.
The first step to waterproofing your basement is finding the source of the leak. Water can seep through in various places such as foundation walls, floor and footing. Illustrated below are some of the more common areas of water intrusion.
Eight Ways Water can Enter Your Basement
- COVE AREA SEEPAGE: This is the most common source of water intrusion. Usually, foundation walls, floors and footers are poured or built separately leaving a cold joint. Water seeps in through this (joint) because it is the most vulnerable joint in the foundation.
- WALL SEEPAGE: Cement walls, poured or block, expand and contract causing the dried exterior parging to crack. The porosity of the now exposed concrete allows water to be absorbed through the walls, filling blocks and penetrating poured concrete.
- MASONRY FLOOR CRACKS: As the ground around your home becomes saturated with rain, the accumulated water exudes hydrostatic pressure beneath your basement floor. As the water table continues to rise and water pressure increases, weak points in the concrete floor crack, allowing water to enter.
- MASONRYWALL CRACKS: Rising water tables create pressure against your foundation walls as well. As the water table continues to rise, weak points in block or concrete walls crack, allowing water to enter.
- BASEMENT STAIRWELL OVERFLOW: Rain water entering the stairwell drain is suppose to disperse underground, this is known as (perking). As water tables rise and the ground can hold no more water, the stairwell drain can fill and actually work in reverse, filling the stairwell with water and overflowing into your basement.
- WINDOW WELL OVERFLOW: Window wells work on the same premise as the stairwells, with no free disbursement of the water, an overflow through the window will occur.
- BELOW GRADE FIREPLACE SEEPAGE: As in the case of cove seepage water can enter through the joints where the footer, wall and fire block meet. Fireplaces can also settle, pulling away from the house and allowing water to enter.
- ANY THROUGH-THE-WALL UTILITY PIPING: Any man made opening through a sealed wall is a potential entry point for water. Caulks, sealant and matting eventually biodegrade and are doomed to fail over time.
Ameri-Dry® Systems Basement
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Our offices are open Monday-Friday: 9am-5pm; you can call us at (800) 580-1964 -or- just use this form and we’ll call you.
The most common basement waterproofing options are:
1. Interior Drain Tile System
2) Outside Excavation
Ameri-Dry® Interior Waterproofing Systems
Total Excavation – Exterior System
Excavation is extremely expensive and only recommended in the most severe cases of water intrusion and/or structural decay. In most cases, a backhoe is used to dig around the outside of the home’s foundation wall all the way down to the footing.
After the wall is completely exposed, the original footer tiles are checked and replaced if needed. The wall is then sealed with waterproofing materials e.g. tar and plastic. Next, ADS corrugated plastic pipe is laid along the footing. And finally, gravel is then poured over the pipe and backfilled to grade level with the original soil
Ameri-Dry® Waterproofing Systems has been providing our communities with basement water solutions for over 35 years. We are a BBB A+ Accredited Business offering patented solutions for all your waterproofing, dampness/mildew/mold and damp smells problems.
We proudly warrant our work for
THE LIFE OF THE STRUCTURE!
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