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Types of Bricks

9/27/2012 1:17:03 PM | by Anonymous


Bricks have been used in history all over the world for a very long time. A brick is a single unit of ceramic material that is usually eight inches long and four inches thick. The sizes of bricks as well as the designs vary throughout the world. However, most designs of bricks are usually rectangular in shape. Bricks are used in the construction of permanent structures, usually with several bricks being stacked together and using various types of mortar to hold the bricks in place. Bricks are produced and used in bulk, depending on the size of the structure for which construction they would be applied. They have been considered the strongest and longest lasting building material that was used through out the history. In the past, bricks used in the construction of a structure were left uncovered which gave them a classic look, and this type of styling has gained popularity in recent times with more and more architects using exposed bricks to stylize structures. The types of bricks available in the world are vast, with several varying designs and formations. Some common types of bricks that are widely used in the world today include common burnt clay bricks, sand lime bricks and concrete bricks.


Common Burnt Clay Bricks

As their name would suggest, common burnt clay bricks are made out of regular clay and formed by being pressed in molds, which give them their distinctive rectangular shape. The clay used to mold the bricks is often soft, and once the bricks have been molded, they are left to dry before they are fired in a kiln. Common clay bricks do not have any attractive appearance and are used in general work and require plastering or rendering when they are used in walls.


Sand Lime Bricks

Fly as and lime is mixed in the construction of sand lime bricks, which is then followed by a chemical process during wet mixing. Similarly to clay bricks, sand lime bricks are also molded; however, offering several advantages over clay bricks. These include a more uniform and smoother finish that does not require plastering as well as great strength as a load-bearing member. Also, the colour of these bricks is different from the traditional clay bricks, being grayish in colour.


Concrete Bricks

As their name would suggest, concrete bricks are manufactured by using solid concrete. They are used in fences, facades and many other applications. Concrete bricks can be pigmented to be able to provide several different colours, therefore providing an excellent aesthetic presence.


Advantages of Bricks

Aside from providing strength to the structure, which is the primary role of bricks, they are also able to provide several other benefits. As in the case of concrete bricks, they can be available in several different colours, therefore providing more room for freedom and creativity when architects and designers design structures. Bricks also have the ability to absorb moisture, which aids the regulation of humidity and temperature inside a structure, making them an ideal choice for construction. Bricks do not deteriorate easily with rain as they can absorb rain water and release it easily. This property of bricks is referred to as porosity and it is attributed to the fine capillaries in the make up of a brick. Along with its porosity property, bricks provide great thermal insulation, absorbing and releasing heat slowly. Bricks that are prepared in accordance to the right procedures have the ability to provide fire resistance for up to at least 6 hours. They are also ideal for the construction of structures where sound insulation is very important, as bricks have the ability to insulate sound effectively. Along with these properties, some well known properties of bricks include excellent wear resistance and great durability.

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