Waterproofing Exterior Basement Walls
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Cost of exterior waterproofing waterproofing the exterior of your basement will cost between 9 000 to 15 000 for the average home.
Waterproofing exterior basement walls. The surest way to waterproof your basement walls is a full scale exterior waterproofing solution. Install a waterproofing membrane. Elastomeric membranes are made of modified asphalt and exhibit great waterproofing characteristics. Concrete walls can t be damaged merely from direct contact with ground water.
Exterior basement waterproofing involves digging out the dirt around basement walls applying a moisture barrier and installing a specially designed dimple board that deflects water away from the wall. Exterior waterproofing involves excavating all around the house to the full depth of the foundation walls then installing a waterproof coating or membrane topped by drainage panels. Only if water can flow through concrete is water detrimental to the structural strength of non reinforced concrete. 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.
Installing an exterior waterproofing membrane and or exterior drain tile is quite an undertaking but there is one other form of basement waterproofing that can be done quickly and effectively on the exterior. Henry company aqua bloc wb elastomeric asphalt emulsion waterproofing is a single component cold applies rubberized asphalt emulsion which cures to provide a heavy duty seamless rubber like membrane for use in waterproofing and damp proofing concrete and masonry surfaces above and below grade. 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. It s also the most expensive often 15 000 to 30 000.
Exterior crack repair as noted earlier foundations constructed of poured concrete are the most common variety found almost anywhere. Most professionals will tell you that the best way to waterproof your basement is to fully waterproof the exterior but it s also the most expensive option.