Moisture In Concrete Slabs Problems

3 tests to check for moisture in concrete slabs 1.

Moisture in concrete slabs problems.

These problems are not only disrupting functions of the building due to maintenance operations but also costly. A concrete slab on ground is the heart of an industrial facility. 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. Added to that beneath continuous flooring moisture can also cause floor darkening or discoloration efflorescence deposits and other.

Moisture problems with concrete slabs by peter craig moisture related floor covering and coating problems have in recent years become among the most common and costly issues being faced by design professionals contractors manufacturers installers and building owners. We have it within our power to produce and place concrete in a way that will help solve the two most egregious problems associated with slabs on ground. How to do a moisture test for concrete slabs. Duct tape an 18 inch square piece of plastic onto the exposed concrete and leave it for 16 hours.

Older slabs of this type probably don t have an intact vapor retarder below the slab so moisture is able it get into the slab from the soil below. Having a breathable carpet originally you may not have noticed anything. This could potentially be problem related to moisture in the concrete. 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.

Therefore it is recommended to implement necessary. Concrete slabs on grade and basement slabs are weak and vulnerable to the detrimental effect of moisture which may lead to various problems. If there is too much moisture in the concrete and an impermeable layer is placed over it the moisture migration can delaminate the coating sealer or overlay. For instance lifting tile off the floor rotting hardwood damping carpet and coatings delamination.

High shrinkage leading to excessive random cracking and curling and uncontrolled vapor transmission. Concrete slab moisture can cause problems with the adhesion of floor covering material such as tile sheet flooring or carpet and bond related failures of non breathable floor coatings. But the biggest problem for decorative concrete with a lot of moisture moving through a slab is the pressure it exerts at the surface. Commonly concrete floors are vulnerable to moisture and suffer from different detrimental influence of moisture such as lifting tile off the floor rotting hardwood damping carpet coating delamination and many more.

Concrete moisture and flooring materials. Thanks for the question.