Interior Basement Waterproofing

Interior basement waterproofing using coatings is effective where condensation is the main source of wetness. It is also effective if the problem is minor dampness. Usually, major leaks are unable to be solved by internal coatings. In such cases, if outside waterproofing has been ruled out, sheet or tile coverings which conceal drainage structures to carry the water out and drain it from the structure may be employed.

Internal drainage systems also include breaking a trench in the concrete floor along the perimeter walls. Weeping tiles are then installed in the trench and filled with 3/4″ gravel. A waterproof dimple board is then installed on top extending up the foundation walls. The new weeping tiles are connected to a sump pump or drainage and new concrete is then poured over the system.


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