Epoxy Floor Moisture Test

You need to do an mvt or moisture vapor transmission test on your floor s surface prior to applying either epoxy or paint on it.

Epoxy floor moisture test.

Plastic sheet moisture test. Avoid the problem by doing a simple moisture test to determine if the floor is right for an epoxy coating. One way to eliminate epoxy floor coating failure is to test it before you coat it. Are placed on various areas of your floor as a single test on a large area cannot accurately determine moisture levels.

Concrete is thick solid and hard. One test kit is normally used for the 1st 1 000 sq. Ft then additional kits for every 2 000 3 000 sq. A third option a simple diy test can indicate the presence of excess moisture either on the slab surface or in the room s air but it cannot measure.

The calcium chloride test is the only quantifiable test method which identifies the rate of moisture transmission within the concrete. If there are any mortars grouts or adhesives they must be removed and ground down to expose a clean section of concrete. This is a low cost low tech moisture test that can be useful for determining if you have moisture in a garage or basement floor. It is not however the best test if you are planning to put an epoxy coating on the floor.

Moisture testing per astm f 1869 calcium chloride test before installation of floor coverings on concrete substrates it is wise to test the rate of moisture vapor transmission mvt. Follow the steps outlined below to perform a moisture test prior to an epoxy floor installation. Additionally moisture under the concrete slab causes pressure that forces the epoxy to separate from the concrete s surface often taking pieces of concrete with it. Testing moisture in concrete.

Only then can you test properly for moisture using the following test methods. There are two tests that are typically used one is a calcium chloride test astm f1860 11 standard and the other is an in situ relative humidity test astm f2170 11. Include a plastic sheet test which really is as simple as it sounds in your timeline so that you know the slab is truly cured and ready for the. Excess alkalinity will eat epoxy coating causing it to bubble and split.

The floor covering must be removed. Sweep vacuum and dry the concrete floor with a shop vacuum to ensure it is emitting as little moisture as possible. For those slabs with a pre existing floor covering an extra step is involved to test for moisture. It is necessary to test your concrete for moisture before applying any coat of paint or epoxy on it.