Brick

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What are they made of?
====A brick is a mass or block of ceramic material which may be also made from clay, shale, soft slate, calcium silicate, concrete or shaped from quarried stone. ====

There are seven types of bricks, They are:

 * **Perforated bricks**: are bricks that have holes in the table and covering more than 10% of the surface of it.
 * **Solid brick:** are bricks that have less than 10% of perforations in the table.


 * **Tile or manual Brick:** are those that simulate the old handmade bricks, they have an appearance rough and wrinkled faces.


 * **Aplantillado brick:** is the brick that has a curved profile.


 * **Hollow brick:** are those who have slots on the canto" or in the testa. this reduces the weight and volume of material used in them, facilitating cutting and handling.


 * **View –face Brick:** are those that are used outdoors with a special finish.


 * **Fire brick:** is a brick that can withstand high temperatures and used in furnaces and chimneys.

What is the meaning of bricklaying techniques?
====Bricklaying is the trade that specialises in constructing of walls, floors, fireplaces, chimneys and other structures with bricks or other types of concrete block. ====

Reinforced masonry
Reinforced grouted cavity masonry.



**"Piazza del Campo", Siena, Italy.**



====“Piazza del Campo” was built in the Middle ages. In medieval times, the people used the technique of the brick and as we can see in the images, the main material used in the square is brick. Buildings around the square are built with bricks, with the traditional technique of the time, where they placed vertically one brick on the union of two bricks using mortar to join them.==== ====A particular characteristic of the "Piazza del Campo is the use of bricks in the square´s floor. However, they did not use the traditional technique, which was used in the buildings. This particular technique consists on giving another texture to the floor, allowing to differentiate itself from the floor of the buildings around the square, sidewalks and streets of the city. The images of “Piazza del Campo” reveal that even using the same material, in this case, brick, in several places it can be distinguished by the technique that was used, in this case, there are different textures in the buildings and in the floor of the square.====