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Phone: 09-4241965 or 0273632300

Innohome House Inspections

House Inspections and Building Reports Auckland Wide

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    • Invasive Moisture Testing – No Hidden Defects
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Invasive Moisture Testing – No Hidden Defects

Invasive Moisture Testing Auckland

a row of houses which may need a check to see if they need insulation for rental properties

Detecting moisture that you cannot see is important especially as part of a pre-purchase inspection or if repairs have been completed on a property after flooding or fire.

Hidden moisture that is not dealt with can cause severe mould which could lead to health issues of the occupants or structural damage to a property which could compromise its integrity.

Invasive moisture testing is required when all non-invasive testing has been completed but there are still issues suspected. Invasive moisture testing requires the owner’s written permission and is stage two of weather tightness reporting.

If you suspect that your property or one you are thinking of buying has a leak or damp issues make sure moisture testing is included in your inspection.

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Invasive moisture testing
Invasive moisture testing 2

Key information about invasive moisture testing

What options are there before invasive moisture testing is done?

Usually, before any invasive testing, non-invasive moisture testing is carried out. This involves using a machine to detect moisture levels in various areas, simply by holding the machine’s detection device against the surface. This gives a good idea of moisture levels but does not always give the in-depth information required and is generally used to indicate areas that require further investigation.

Thermal imaging moisture testing is another option. Thermal imaging is used to detect areas of hidden moisture. A special camera is used which shows damp areas in different colours to unaffected areas based on temperature differences.

How is the invasive testing carried out?

Although invasive moisture testing is more intrusive than other forms of testing, it is carried out with the minimum of damage. In the first instance, a few small holes are drilled in the problem areas. A moisture inspection is then carried out in these locations using resistance mode moisture test readings at different depths. These are analysed to determine the level of moisture concentration within wall framing timbers and ascertain if fungal decay species are likely present.

What happens if high moisture levels are found?

In the event of detecting excessive moisture findings, with the owner’s permission, plasterboard wall linings will be removed to visually assess damage to the timber framing and determine the point/s of moisture entry.  At this stage, we will produce a report on damage and repair cost.

The latest in moisture testing equipment

InnoHome uses the latest in moisture testing equipment for best results

For invasive moisture testing, we use the Protimeter MMS2, the latest addition to GE’s Protimeter product line. This is a 4-in-1 instrument which can measure moisture both at and below the surface. It can also act as a hygrometer to measure ambient air humidity. We use an infrared thermometer to determine the difference between dew point and surface temperature. Kevin will also collect a wide range of other important psychometric parameters in order to give you a comprehensive assessment.

a row of houses which may need a check to see if they need insulation for rental properties

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