Waterproofing Outside Walls

The dampproofing is only as good as its application as the above photo can attest.

Waterproofing outside walls.

A lot of people believe that applying a coating of tar on a foundation wall qualifies as waterproofing. Waterproofing your exterior brick walls helps solve any external damp issues. Even though my insulation is on the outside of a. The surest way to waterproof your basement walls is a full scale exterior waterproofing solution.

One good reason for waterproofing a basement from the outside is that outside is where the water is. Install a waterproofing membrane. Products are available to let you do the work of waterproofing the exterior of your home yourself. It s also the most expensive often 15 000 to 30 000.

By following the next seven steps to waterproofing exterior walls. Concrete sealing compound costs about 100 per gallon and the labor costs of preparing and cleaning the floor and applying the sealer average between 3 and 12 per square foot. It may be that cracks in your bricks or pointing are letting the water in or. When your external walls are exposed to a water source such as rain this water can enter your masonry in some cases travelling laterally from your external walls to your internal walls.

Unfortunately that is only dampproofing and is insufficient for properly waterproofing a foundation. A waterproof membrane is often installed on the outside of the basement wall and the system also requires putting in a buried sump pump where water will collect and then be pumped to the surface. Check walls for faults. Professional application of silicate.

Interior waterproofing is cheaper than exterior waterproofing and there are several methods a professional can use with varying costs. Elastomeric membranes are made of modified asphalt and exhibit great waterproofing characteristics. With proper waterproofing of a home s exterior walls however such damage can be avoided. Water that enters a basement comes from the soil surrounding it either below the foundation or around it.

Damp walls are excellent breeding grounds for mildew and mold which can damage the home and lead to health problems for occupants. Before shopping around for waterproofing products it s important to eliminate any other causes of structural dampness. Waterproofing external walls is the best solution only if the walls become damp as a result of rainwater or moisture.