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The Different Forms Of Building Defects

By Craig Nisbett


Buildings that meet satisfactory qualities are those which are located at the right places, tend to fit well into the surroundings and have the ability to offer adequate facilities and space. Their being satisfactory also implies they have protection against adverse conditions of the weather as well as other undesirable external conditions. For adequate meeting of such conditions, it would take some time for complete construction. Certification and approval takes quite a while. Building defects mostly affect structures that are constructed without following the right instructions.

Some buildings are located in moist places and are thus bound to be affected by fungus stains and other harmful growths. Fungal stains tend to be favored by environments with high humidity and which lack proper ventilation. Examples of harmful growths are creeping plants and ivy plants. They are able to grow on gutters, roofs and walls. What makes such growths to thrive is the penetration of dirt in small openings in joints left by mortar as well as on walls.

The cracks in joints and walls provide suitable conditions for the growth of seeds. As seeds grow, they penetrate more deeply and may end up bringing about bigger cracks and encouraging more water penetration. This may bring about a lot of danger to the buildings as they may even be at a risk of falling.

Mortar joints getting eroded is yet another defect. The main purpose of mortar joints is to even out irregularities in building blocks or stones. The causes of erosion of mortar joints are salt crystallization, scouring action of wind and dampness that comes about through water penetration. In eradicating decayed mortar, there are several techniques that can be used. It can be done forcibly by the use of mechanical discs or they can also be raked manually using a knife.

Depending on the form of painting employed, different types of paint peel off with varying magnitudes. Painting remains one of the commonest structural defects. Of all the types of walls, plastered walls are more at risk when it comes to paint peeling. Buildings around the coast are also prone to accelerated peeling because of the acidic water around those places as well as the strong winds.

There may be poor installation of air conditioning systems. Buildings that may have been constructed without air conditioners may need such installations to deal with warm temperatures. Several factors have to be put into place in installation of air conditioners. The air produced by the conditioners is cooler and drier and may thus lead to shrinkage of building materials. It is also possible to have condensation on surfaces or within structures of the fabric. This may lead to mould build up.

Foundations are an essential component in distribution of loads all parts of the building. Structurally, they are vital when it comes to how permanent a building will be. If the foundation of a building is poor, there is no need investing in other aspects as it may end up collapsing. Problems with foundations are dependent on the geology of the ground on which the building stands. Dampness and vibrations may weaken improperly constructed foundations.

Insect and termite attack are common building defects. The damage caused by termites and insects mat take time to be realized, at times only being noticed when the affected materials are collapsing. Such damage may be controlled by fumigation and other forms of spraying.




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