Internal Waterproofing of Wet Areas

What is internal waterproofing?

The wet areas inside a structure are those that are supplied with water via a water supply system; these areas are exposed to high volumes of water throughout their lifetime.  These areas include:  bathrooms, showers, laundries and sanitary compartments.  Wet area waterproofing has consistently been amongst the most common recurring defects reported by property owners and therefore should be completed by a professional waterproofer so as to reduce or eliminate the risk of structural damage created by water leaks, rising damp or structural movement.  All wet areas are required to be waterproofed to levels that either meet or exceed the current Australian Standard.

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Did you know that currently waterproofing is unregulated in WA? How do you know who to trust? Read more...






What damage is caused by internal penetrating internal wet areas?

If your internal wet areas are not waterproofed, or waterproofed incorrectly, water will seep into various areas of the structure undetected, causing the following damage:

Rising Damp

When water rises up through floors, walls and masonry via capillary action in opposition to gravity.

Mould and mildew

Water penetration can lead to the release of spore into the air causing harmful respiratory problems.

Warping/rotting of structural members

If structural components are compromised by water, the entire building can be at risk.

Corrosion of plumbing fixtures

Rusted plumbing fixtures can lead to further water leaks which compound the problem.

Damaged Electrics

Short circuit of lighting and power points – water may pool in ceilings creating a high risk of fire or electrocution.

Concrete Cancer

Water will cause the steel reinforcement within the concrete to rust; it will then expand and displace the concrete around it.  The concrete will become brittle and crack thus weakening the foundation of the structure.

internal wet area testing

How to determine the most suitable membrane system for internal wet areas?

Internal wet areas are fundamental in any structure.  Product suitability and compatibility with other materials should be evaluated to determine which is the best possible membrane system to use.  Some factors to be considered include the following:

  • The use of the space;
  • The type of substrate involved (including anticipated movement);
  • Compatibility with heating and acoustic layers;
  • Compatibility with overlay, tile adhesive or other finishes;
  • Complexity of detailing in the design;
  • Construction access and/or programme constraints; and
  • Suitability for horizontal and vertical surfaces.

HOW BUSS CAN HELP?

Drawing on our experience and industry best practice, BUSS’ waterproofing specialists have been applying their expertise for more than 20 years to commercial, industrial and residential structures in Perth and the metro area, as well as Regional WA.

Our proven track record in effective remedial solutions and quality workmanship, supported by our affiliation with leading industry organisations – Australian Institute of Waterproofing, the Australasian Concrete Repair Association and the Strata Community Association, along with our Cert III accredited applicators, offer our clients peace of mind for all their waterproofing needs.  Our association with these leading organisations allows us the advantage of being one of the most qualified, trusted and reputable remedial contractors in WA.

Our waterproofing services include:  leak detection, site advice/investigation report, solution/scope of work, corrective actions and repairs, repairs and general consultancy.  For more information, please feel free to contact us below, or call us on 08 9444 1732.

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