Features And Benefits of Fly Ash

Fly ash is basically an industrial ash which is formed during the process of burning coal. It is usually found in power plant chimneys in the form of a glassy powder. One of the most significant uses of this by product of coal is that it is used in cement. As coal burns, impure minerals are released into the air. Nowadays, this mineral is captured and cooled. It solidifies and becomes fly ash.

It can be categorized into two classes which include Class C and F. Coal which contains a low amount of carbon and a large amount of calcium is classified under Class C and the ash created by burning coal which contains 10% of carbon falls under Class F.

Fly Ash

There are various uses for fly ash in the construction field. It is commonly used as an additive in cement due to its ingrained properties. As it is considered to be stronger than Portland cement, it is widely used for all types of construction purposes.


There are many benefits of using this by-product in cement to make concrete. It is known to be dense and smooth. It is also easy to work with this form of concrete. It is eco friendly and seldom creates pollution. It is also used to make a wide variety of items such as paints, asphalt, tiles, bricks and so forth.

It is used to construct PCC pavements as these pavements require large amount of concrete which can be substituted with this by product. It is therefore considered to be cost effective. Nowadays, it is used to pave roads and parking lots. It is used in hollow blocks, mosaic tiles and cement.

It is resistant to cold weather and therefore it seldom cracks. This by-product of coal is quite durable. It is a non-shrink material that has several applications. It can also be used as a substitute for Portland cement.

The physical properties of this by-product can vary depending on its origin. Although it is widely used for all types of construction purposes, there are many contractors and builders unaware of its beneficial features and uses.


Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: