As an alternative to interior waterproofing by installing an interior weeping tile system water leaking from the walls of a concrete block foundation can be repaired by excavating and waterproofing the exterior foundation walls.
Waterproofing concrete block walls outside.
By waterproofing your basement you will be preventing health dangers and also costly repairs.
Otherwise water will seep in through the walls of your basement.
In this post we cover the advantages and disadvantages and the detailed steps involved in waterproofing foundations from outside.
Waterproofing the exterior is often the choice as it doesn t require much preparation time and effort.
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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.
Concrete block is especially vulnerable because water that seeps in through the outer side of the block can collect in the cavities and seep through the porous inner side.
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Why cinder block walls leak.
Heavyweight concrete blocks are semi permeable 5 perms and less so when the hollow cores are filled and packed with a slurry mix of concrete about 2 perms.
Luckily there is a possible way to keep these things from happening and that is waterproofing.
Waterproofing concrete block can be done on the exterior or in the interior.
It also helps to maintain a clean natural appearance of your concrete driveway and maintain the durability of your concrete block retaining wall and unglazed cement tiles.
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Your cinder block basement wall must be waterproofed to provide a proper home environment.
Designed to form an impermeable barrier to water on interior and exterior vertical or horizontal concrete block and cast in place concrete.
Ask this old house mason mark mccullough explains and demonstrates the benefits of waterproofing concrete brick.
Cinder blocks are classified as permeable to water and water vapor 10 perms.
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Also in masonry walls the masonry units particularly concrete block and brick may be porous enough to allow water to migrate through over time.
This water can cause structural damage and grow mold.
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