The best way for the owner to assure that the testing gets done is to write a testing specification themselves.
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The standard calls for three tests for the first 1,000 sq feet and one test
for each 1,000 sq feet thereafter. However, this number may change,
depending on the size of the slab, age of concrete, building temperature
and RH, and the preliminary results from the Static Moisture Testing.
The temperature and humidity conditions are important for the
dynamic test (Calcium Chloride). For new construction, dynamic
testing should be done after the building is enclosed and the
HVAC system is running, and the areas have reached steady
Test reports should contain the conditions at the time of testing,
methodology of testing and test results. This is an important way to
document not only the test results but the accuracy of the testing that was
done. The specification should also identify who is to receive the report –
the owner, general contractor, architect or all parties.
The more sophisticated reporting done will show a floor plan
with the test results, which can help the construction team
identify problem areas in the floor.
The report should include options for repairing
a floor that exceeds the manufacturer’s limits.
The moisture testing specification may be standalone specification as
part of a concrete floor slab section that details some of the key points of
a concrete industry standard designed to prevent floor covering moisture
The details may include the need for: