Water that has migrated within the building envelope and occupied space is considered a leak. Investigating and tracking leaks can be destructive, costly and disturb the occupants of buildings. Our experience and understanding of building science with state of the art technology for non-destructive testing reduces time and effort in diagnosing the problem. This would reduce repair costs in addressing the source. Detecting moisture is important before secondary damage sets in. Experience has shown that neglecting moisture damage can increase the repair cost over time.
We provide services in addressing the source of the moisture. We believe in source control and not a band- aid treatment.
Moisture control is an important practice in buildings. Disregarding moisture transfer within buildings can have major consequences, especially moisture from rain, leaking sewers, stormwater and water pipes. Moisture on internal and within wall surfaces can also be caused by condensation through interaction with surface temperature and humidity.
Moisture is always present within a building, usually being low enough not to create problems and is an important part of the building in maintaining the equilibrium moisture content. Lack of moisture would dry out the structure causing cracks to the building envelope and timber furniture. It becomes a concern when moisture level increases caused by leaks or condensation, damaging the structure and contributing to microbial growth. Microbial growth triggered by moisture, can also have an impact on occupant's health.
Condensation is a breeding ground for microbial growth. The main cause of condensation is the interplay of temperature and humidity which can lead to the dewpoint being reached. Dewpoint is the temperature at which the air can no longer hold all of its water vapour and some of the water vapour could condense as liquid water. This phenomenon can be witnessed on a window pane in winter, notably in bathrooms.
The solution is to detect moisture problems before secondary damages sets in. This is noticed in the case of concrete spalling, commonly known as concrete cancer and collapsing timber decks. Early detection and remedial action would far outweigh the destructive results and inconvenience to the occupants. In addition to cost, the health of the occupants, especially the young, elderly and those with respiratory symptoms, can be jeopardised through air borne mould spores. In some cases defects can be life threatening, greatly impacting on the physical well-being of humans.
Defects Related to Moisture:
• timber decks, caused by structural damage to posts, usually due to moisture or timber-destroying pests
• internal floor boards, especially in older homes, caused by wood borers, moisture and termites
• leaks in shower areas spreading to adjoining rooms having particle or tongue & grove timber floor boards, breaking down the material through microbial growth (mould) creating a weak structural system.
• moisture damage to sub-floor areas
• cantilevered concrete decks developing concrete cancer, especially corrosion to the top steel which is an integral part of cantilevered slabs. This is caused by moisture ingress, leading to corrosion of the steel, reducing its ability to serve its purpose especially with increased loads.