Brick

=Bricks =


 * What are they made of?**

Bricks may be made from clay, shale, soft slate, calcium silicate, concrete or shaped from quarried stone.

**What are they used for?**

Bricks are used for building and pavement.


 * How many types of brick are there? **

There are: building brick, face brick, clinker brick, pressed brick, glazed brick,fire brick, cored brick, european brick, sand-lime brick**.**


 * What is the meaning of //brick laying techniques//? **

Brick laying techniques are the techniques that are used to use bricks.


 * What are their advantages and disadvantages? **

**Advantages**: Brick is a cheap, strong and fiable material, is also very usefull for most of the constructions.


 * Disadvantages**: Bricks are too small, too light and too irregular to be stabilized by weight, that's why it can be used in constructions only in conjunction with mortar.



Here is a picture of the Berlín Town Hall also known as Red Town Hall because of its red brick construction. Basically the red brick was used for give the building a spectacular appearance. Almost the entire construction was made of bricks, from the pillars to the walls. The easy handling of the brick allowed the use of archs for the windows.

media type="file" key="Berlín Town Hall.wma" width="247" height="113" align="center"