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How to Write A Good Concrete Moisture Testing Specification

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How to Write A Good Concrete Moisture Testing Specification - PowerPoint PPT Presentation


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The best way for the owner to assure that the testing gets done is to write a testing specification themselves.

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Presentation Transcript
type of testing to be done
Type of testing to be done:
  • ASTM F 1869 moisture test
  • ASTM F 2170 moisture test
  • Add pH testing per ASTM F 710 if indicated.
number of tests
Number of tests

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.

timing of testing
Timing of 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

state conditions. 

reporting
Reporting:

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.

mapping
Mapping:

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.

repair options
Repair options:

The report should include options for repairing

a floor that exceeds the manufacturer’s limits.

slide8
Moisture Testing Specification

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

problems.

The details may include the need for:

  • The concrete to be dry, clean, smooth, and free of contamination.
  • Concrete should be moist cured for at least seven days (failure to do so may increase permeability four times or more)
  • The installation of a vapor retarder directly under slabs on or below grade.
  • The use of moisture-retaining coverings for curing concrete.
contact us
Contact us:

Corporate Headquarters

4 Springfield Street

Fifth Floor

Three Rivers, MA 01080

Phone: 413-283-5164

Toll Free: 800-808-7773

Email: [email protected]

Fax: 413-283-5347

For More Information Visit On our Official Site www.epfloors.com

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