Concrete Floor Moisture Test

For example the anhydrous calcium chloride test measures only the moisture vapor emission rate coming from the slab s surface.

Concrete floor moisture test.

Slice through the plastic with the utility knife measurements and the. Clean area and drill 3 4 inch hole to 40 percent of slab thickness clean vacuum out hole 3. Concrete moisture is a sincere enemy of epoxy floor coatings so before you start thinking about applying that epoxy take the time to find out just how much moisture is in the floor. For successful flooring projects it is crucial to measure moisture below the surface of the concrete slab.

Cut clear plastic sheeting into several 24 by 24 inch squares. Three tests must be performed for the first 1 000 sq. And one for every 1 000 sq. Purchase a tramex rh moisture test kit easiest way to test for rh in a concrete slab 2.

We follow the astm american society for testing and materials international standards for moisture testing. Testing concrete for moisture astm f2170 stipulates the use of in situ probes to determine the moisture condition of a concrete slab at the time that it will be sealed or covered by flooring material. One of the simplest most economical test methods for determining whether there may be moisture in concrete is the astm d 4263 concrete moisture test. Testing your concrete floor for moisture moisture testing is an important aspect in providing a successful concrete floor coating project.

Duct tape an 18 inch square piece of plastic onto the exposed concrete and leave it for 16 hours. After 72 hours a humidity reading is taken under the plastic with a dew point hygrometer. How to do a relative humidity test on a concrete floor 1. Here are the two most common types of test for concrete moisture.

Completely clean the surface of the concrete with a broom or vacuum. To use this method astm d 4263 standard test method for indicating moisture in concrete by the plastic sheet method a plastic sheet is tightly taped to the concrete. Moisture in concrete should be measured by an anhydrous calcium chloride test kit per the astm f 1869 test method or by using an in situ probe test for relative humidity rh per the astm f 2170. Insert the sensor to the bottom of the hole 4.

How to test a concrete floor for excessive moisture 1. Other tests are surface based and do not give reliable results. Cut the plastic sheeting. Place the sheet down and ensure it is flat all.