American Moisture Test Kit - Instruction Guide
The Moisture Test Kit is the simplest and most effective product to gauge the moisture level in both existing and future flooring locations. Test results will enable you to determine if remedial or preventative measures are required to avoid expensive repairs thereby insuring ultimate longevity of your flooring solutions.
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Step One
Open the sealed bag containing the calcium chloride canister.
Weigh the canister with the black tape seal, on a gram scale with a gradation to 1/10th gram.
Note: Be sure the scale is set to grams. Ounce scales will not work for this test. Starting weights are typically around 30 to 31 grams, but can vary slightly which is normal.
The scale we provide can be calibrated if desired. However, the main concern in the weighing of this test canister is using the same scale when you first weigh the canister as when you post-weight it. The overall gain in grams is the most important factor.
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Step Two
Record the starting weight, date and time you start the test on the canister lid and on the back of the worksheet provided with the test kit.
Any document you choose that can account for the starting weight, time and date of the test is acceptable. The most important factor is determining the gain in grams from the start to finish of the test and the hours it was exposed. Your own custom moisture test report is acceptable providing the basic information is recorded.
American Moisture Test provides a useful worksheet that can be easily photocopied for proper documentation.
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Step Three
Remove the black sealing tape and prepare to start the test.
Carefully peel off the black sealing tape.
Make sure the tape does not become dirty or lost since it will be needed to reseal the container at the termination of the test.
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Step Four
Make sure the tape does not become dirty or lost since it will be needed to reseal the container at the termination of the test.
For best results, stick the black tape along the outer wall of the dome unit to keep it safe.
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Step Five
Peel off the white protective backing tape from the dome sealant material and properly discard it.
Be sure the sealant material does not contact objects or clothing as it is very sticky and intended to provide a secure, long lasting seal to concrete throughout the duration of the test.
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Step Six
CAREFULLY remove the lid. Do not spill the crystals.
It is easiest to simply turn it over and place it under the dish as being shown.
It may also be secured to top of the dome or any other location as long as it is stored safely for reuse.
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Step Seven
Install the test kit on the concrete floor.
Place the opened calcium chloride container on the concrete floor. Make sure the crystals inside are relatively level.
If any of the crystals are spilled the test can be invalid.
Spilled crystals must be vacuumed up quickly before leaving a damp residue.
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Step Eight
Immediately place the dome unit over the center of the dish unit. Always be prepared to place the dome over the dish as soon as possible after opening the dish.
Press down firmly along all the edges of the sealant material to securely bond the unit to the floor.
A properly sealed dome will have the outside flange touching the floor.
Put a slight amount of hand pressure on the dome to ensure its not leaking air.
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Step Nine
Allow the test to remain undisturbed for 60 to 72 hours.
Once the test is placed into service it must not be disturbed by foot traffic or allowed to be exposed to direct sunlight. If accidental bumping occurs and the seal is not broken or the crystals inside spilled, the test may still be useable. If exposed to sunlight it will bias the test and produce inaccurate results.
The use of protective cones is a good way to draw more attention to the test kit. It is also smart to inform people
that this test is sensitive and may have to be re-conducted if disturbed or destroyed.
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Step Ten
Recover the dish after exposure and calculate the results.
At the end of the 60 to 72 hours of exposure, carefully open the dome with a razor blade and reach inside to retrieve the dish without spilling the calcium chloride.
The used dome and sealant can be safely removed from the concrete with a razor scraper later on.
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