Waterproofing Exterior Basement Walls

Concrete walls can t be damaged merely from direct contact with ground water.

Waterproofing exterior basement walls.

Install a waterproofing membrane. Exterior basement waterproofing includes 5 lines of defense installation of an exterior moisture barrier dimple board on the exterior basement wall to transport water to drainage. Only if water can flow through concrete is water detrimental to the structural strength of non reinforced concrete. The principle benefit of the coating is that it fills the pores of the cement block which prevents water from seeping in.

Elastomeric membranes are made of modified asphalt and exhibit great waterproofing characteristics. When waterproofing basement walls with it brush or roll the paint on thickly enough to fill all the little surface holes then allow it to dry fully before a second coat is applied. Most exterior basement waterproofing coating methods are of little value in preventing water from entering the basement as you can see by studying the basement cut away sketches. A heavy coat of the membrane an asphalt modified polyurethane material can be troweled or sprayed on to seal the foundation wall against water from the outside.

The surest way to waterproof your basement walls is a full scale exterior waterproofing solution. Moisture membrane provides protection from outside water table and seepage 3 4 washed gravel replaces dirt to. Therefore exterior concrete walls will not be damaged by mere contact with ground water and don t require waterproofing.