Basement Waterproofing Needed When Outside Storm Drain Backs Up

Oseye Boyd
Written by Oseye Boyd
Updated June 15, 2021
When an outter drain backs up, basement waterproofing is essential. (Angie's List)

A Fredericksburg waterproofing company solved this member’s problem when heavy rains caused an outdoor drain to fail, resulting in basement flooding.

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Warrenton, Va. member Sarah Thomas needed to solve a major problem in her home: flooding in her basement after heavy rains.

Not only did highly rated Mid-Atlantic Waterproofing and inspector Brent Brady evaluate her issue, but he came when it was convenient for Thomas — after 8 p.m. — and stayed until 11 p.m. explaining the basement waterproofing process and answering any questions.

Work didn’t begin on schedule, Thomas says, and it wasn’t entirely Mid-Atlantic’s fault. Since it was the company’s first time working on a job in Warrenton, they didn’t know the permit would take five days to acquire, instead of the one day they’re accustomed to in other cities. Once they received the permit, the project went without a hitch.

The waterproofing included working inside and outside of the basement. Inside, the crew jack-hammered through the basement floor around the perimeter wall and placed pipe into the trench. In addition, they dug a trench outside Thomas’ sliding glass door and installed a grate so water from the drain that often overflowed and caused the basement to flood can be deposited into the indoor system.  She said the entire job cost about $10,000.

While Thomas is happy with the job Mid-Atlantic performed, she learned basement waterproofing can be messy. “There will be A LOT of dust from the Sheetrock and especially from the concrete that they have to break up,” Thomas says. “They are very good about moving things to the middle of the room and covering them with plastic, but if at all possible, items like treadmills should be removed from the room.”

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