Cellular concrete is a lightweight solution primarily used for void fill. Cellular concrete goes by many names and may also be called foam cement, concrete foam, cellular lightweight concrete, or lightweight flowable fill.
Cellular concrete is typically made with cement, water, and a foaming agency, and may include the addition of aggregates, fly ash, and admixtures. Because it is relatively lightweight, simple, and inexpensive to make, cellular concrete is used in a variety of project types.
The key difference between cellular concrete and other cementitious materials is the use of foam to reduce the density.
There are two methods to produce cellular concrete. The first method is a batch production method in which foam is injected into the drum of a mixer for a certain amount of time.
The second is called the “continuous production method” in which the foam is injected in-line, on the discharge side of a pump.
Depending on the application, density, and strength requirements, the mix can be varied to accommodate a range of different applications. Typically, the dry density of cellular concrete will vary between 25 and 100 pcf with strengths ranging from 50 psi to 1000 psi.
Cellular lightweight concrete is a one-size-fits-most solution, making foundations and ground studier, more durable, and able to bear greater loads. Its flexibility and custom fit make it an especially useful tool in uncertain or unfavorable locations, like those near bodies of water of over exceedingly soft soils. Cellular concrete is particularly useful in:
There so many uses for cellular concrete because there are so many advantages to using it.
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