Difference between ancient and modern buildings

It is important to know the difference between the ancient and modern buildings so that we can care for older buildings in an appropriate and accordant manner. This mean using methods and materials that are compassionate to the building and that do not cause long haul problems and the unnecessary loss of historic fabric. 

Most traditional buildings are built with stone, timber, soft bricks, earth or lime based mortars and renders. These materials allow moisture to be absorbed and then evaporate away. In such buildings the levels of dampness in the building are controlled by this evaporation of moisture. Externally the porous materials are dried out by the wind and sun. Internal air movement through the roof covering, windows and openings helps the evaporation of moisture from the internal porous surfaces. Thus the walls of ancient buildings will remain relatively dry. Of course even the evaporation from porous materials may prove insufficient if building fabric and subject to excessive wetting. Ancient buildings were designed with good details to keep water out of the building and are made inoperative.

The industrial revolution and increased materials brought drastic changes in the construction methods and the building materials available. By the late 19^th century there had been a significant move in using construction materials and methods to buildings with cavity walls and damp-proof courses built using cement mortars and renders. Modern building materials (hard dense bricks, cement based mortars and renders, modern masonry paints and external sealants) are generally impermeable and rely on providing physical impervious barriers (cavity walls and cement renders) to the elements to keep out driving rain and physical damp-proof to prevent rising dampness. These modern materials and methods work well in modern buildings designed to exclude the elements. 

If impervious modern materials are used on an ancient building there is a risk that the balance between water entering and evaporating from it is disturbed. When the balance is disturbed the ancient performance will be adversely affected. The modern impervious materials are causing problems of dampness and decay they should ideally be removed but only where this will not cause more damage to the building then leaving them in place. Unfortunately, the removal of many impervious materials will cause damage to the building and needs to be done with great care to prevent any unnecessary damage to historic fabric. 

Fomra housing is one among the Best construction companies in Chennai providing affordable homes at moderate prices. They use a different strategy in building that are different from the above mentioned methods and provide poignant homes. 

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