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As technologies become more advanced, there is a growing trend of homeowners utilising existing damp and dank cellars and converting them into bright and comfortable habitable living areas.

Basement and Cellar conversions can be ambitious by undertaking excavations and extending exiting footprint of the property which can provide a suite of rooms including; swimming pools, gymnasiums, cinema rooms and leisure areas.

Each basement provides its own set of challenges such as soil conditions, high water tables, structural loads, underpinning and many more.

Aspire Basements understands that careful management planning, and a professional methodical approach is the key to success. We are experienced in designing, constructing, and managing many diverse projects. Contracts from cellar conversions, retro fit basements, and new basements prior to new structure being built.

Waterproofing Basements & Cellar Conversions

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The water proofing of cellars and basements is more commonly known as the term Tanking, it involves a completely waterproof membrane to be applied over a masonry and floor surfaces and this is done in order to prevent any water from entering the property.

When basement Tanking is being carried out it is very important that it is carried according to the BS8102:2009 code of practice. Aspire Basements will design a specific water proofing system tailored to your properties requirement, which lays out protection of structures against water from the ground.

So what systems are available? Most systems will fall into one of 3 categories as defined in BS8102 – 2009. These are:

Type A – Tanked Protection

The application of a bonded waterproofing system. Commonly referred to as Tanking.

These types of system are designed to wholly prevent physical ground water from penetrating the structural walls and floors. Typical products used to provide Type A protection are liquid applied membranes such as epoxy or bitumous products, self- adhesive sheet systems and cementitious compounds.

Type B – Integral Protection

This form of waterproofing relies upon the structure itself to form a water resistant shell to resist ground water penetration. Typically Type B forms are constructed using specially designed concrete incorporating steel reinforcement. Walls and floors are structurally linked with waterbars placed at construction joint detail.

Traditionally Type B is created in larger scale commercial and civil development’s, however we are seeing an increased use in new domestic construction.

Type C – Drained Protection

The principle of this form of waterproofing is to allow ground water to penetrate the structure so not to allow hydrostatic pressure build up. This method manages penetrating water by guiding it to an internal drainage system via a sealed isolating dimpled sheet membrane and directing it to a suitable discharge point outside of the building.

The correct design of the drainage system is critical to its success.