Flood Tech | Flooded Basement & Condo | Emergency Water Damage Services

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INTERIOR BASEMENT WATERPROOFING


Internal waterproofing, sometimes called damp-proofing which utilizes protective layers is applied prior to finishing in the form of liquid asphalt and rubber coating with an insulating panel. Yet internal waterproofing may still allow water to pass through the foundation externally if not applied correctly, as it is only moisture resistant and not 100% waterproof. Our external waterproofing system will prevent water from penetrating through the foundation due to hydrostatic pressure when the ground water rises and falls under the concrete foundation. We ensure water is redirected away from the foundation through a system of protective layering, coating, sealers, sump pumps and weeping tiles where it can dry in the surrounding undisturbed soil.

Yet there is a way to ensure interior waterproofing is effective for controlling water infiltration which keep your basement dry and mold free. This involves utilizing a spray foam once the internal waterproofing is complete to act as a vapour barrier and sticks to provide a continuous membrane rather than two which seals and insulates while eliminating the possibility of mold. Interior waterproofing is a more cost effective option and depends upon factors such as residential or commercial property, accessibility, amount of footage, height of basement and concrete thickness.

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Interior Basement Waterproofing Systems

Interior Waterproofing of buildings focuses on tackling wet areas or high condensation areas susceptive to water infiltration. The primary goal is to either redirect or fully stop water from entering the basement of the building through the foundation. Interior waterproofing is typically the preferred method where accessibility to the exterior is not available. 

When is Interior Building Waterproofing the Better Option

Inaccessible Exterior Walls

If there is not enough working space on the exterior of the house to properly dig and install a waterproofing system.

Hydrostatic Pressure Issues

When facing hydrostatic Pressure issues, water is coming from below the footing and must be redirected from the inside.

Unfinished Basement Access

When a basement is not finished, the economical solution is to do interior waterproofing.

How Interior Waterproofing Works

Similar to external waterproofing methods, the primary goal is to capture and redirect the water using these methods:

  1. Rubberized Membrane: A special rubberized membrane is applied to protect against water infiltration and condensation.
  2. Drainage Membrane: An air-gap drainage membrane is applied to the wall redirecting water safely to the base.
  3. Drainage Tile / Weeping Tile: A drainage tile (weeping tile) is installed surrounding the footing which captures and redirects water to a single location.
  4. Sump Pit: Redirected water is collected in a sump pit that houses an active sump pump.
  5. Sump Pump: The sump pump moves the water back out of the property through a discharge pipe.
  6. Discharge Pipe: On the outside, the discharge pipe releases the water away from the property foundation. 
6 Interior waterproofing system Installation parts diagram Flood Tech Waterproofing Division

This complete waterproofing system controls every type of water entry and creates a foolproof water barrier ensuring your property remains dry and safe from water damage.

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