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Waterproofing or Tanking Your Basement
Waterproof tanking is vital when converting a basement from wasted space into another room in your house. These areas can be versatile and converted to a usable dry space as a utility area, storage, wine cellar, games room, additional living space or even a separate bedroom suite.
Whatever the room’s usage, the major concern is moisture ingress. In these underground rooms, dampness is often present and can be prone to flooding.
Building structures below ground can, in many instances, be subject to varying degrees of hydrostatic water pressure, which increases with depth in saturated ground.
A structure, for example, some 3 meters below the ground can be subject to hydrostatic water pressures in the region of 3 tonnes per square meter. At this kind of pressure, chemically injected pore liner liquid systems are ineffective and special pressure-resistant water barriers must be used to prevent water penetration under pressure reaching the décor surfaces internally.
Therefore water is trying to access the structure from all sides and needs to be expertly managed by a skilled company who has a proven track record of successful waterproofing works if it is not then the works will fail and the room will return to be damp and in some cases flood.
Why Do You Need Basement Waterproofing?
Any area below ground level requires a qualified surveyor with extensive expertise in the field to design and install the correct system. Without specialist knowledge the waterproofing can fail and the cost of rectifying an incorrectly installed system can run into tens of thousands. As a surveyor with extensive experience in this field and holding the prestigious CSSW – Certified Surveyor in Structural Waterproofing qualification you KNOW you are getting the best advice.
Our Surveyor can provide you with an inspection of the area, discuss with you the options available and which would be the appropriate solution depending on your needs along with a written report containing a specification of works to manage the moisture within the area. All works carried out receive a long term guarantee as well as an insurance policy for the duration.
Being members of both the PCA – Property Care Association and the BSWA – British Structural Waterproofing Association ensures you are receiving truly proficient advice.
In these instances, subject to the amount of water, one pump station or a number of pump stations can be installed at strategic positions.
These sump chambers are connected to a network of base drainage channels which divert the water to the stations. Membranes are then applied to walls and floors as required. Insulated dry linings and floor screeds can then be installed to provide a finished area ready for use.
Tanking a basement or cellar is a more traditional approach to waterproofing underground. It involves creating a physical barrier to prevent moisture ingress. The barrier is made from either a waterproof slurry or cement that will stop any water from entering your basement.
This is a tried and tested method of preparing a basement for habitation. However, for some buildings that are positioned near busy commuter routes the vibrations combined with the existing pressure can render this solution less than effective.
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