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Cementitious waterproofing is commonly used in basements to create a waterproof barrier that will prevent water from entering the space. The process typically involves applying the cement-based coating or membrane to the exterior of the foundation walls, covering the entire surface including window wells, footings, and other penetrations. The coating or membrane is then sealed to the foundation walls and around penetrations, such as windows and vents, to form a watertight barrier.
In the case of a new construction, the cementitious waterproofing is applied to the foundation walls before the backfill is placed. In the case of an existing basement, the foundation walls are cleaned and prepped before the cementitious waterproofing is applied.
The application of cementitious waterproofing can be done in a few different ways, including:
Dry-shake: This method involves sprinkling a dry mix of the cementitious material onto the surface before it is troweled smooth.
Slurry: This method involves mixing the cementitious material with water to create a slurry that can be applied to the surface using a brush or roller.
Membrane: This method involves applying a pre-mixed cementitious membrane to the surface using a roller or trowel.
Cementitious waterproofing is a durable and long-lasting solution for waterproofing basements and other below-grade surfaces. It is resistant to water, chemicals, and extreme temperatures, and able to withstand the movement and settling of the structure. It's important to note that, as with any waterproofing method, proper installation and regular maintenance are crucial for it to be effective. At WetStop we are expert installers of below ground cementicious systems, so contact us today for a consultation.
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