Increased moisture in a building makes its occupants’ living conditions difficult since it has a direct effect on their health (especially when it is occupied by vulnerable groups such as children, pregnant women or the elder, etc.). It is responsible for respiratory problems, joint pain, headaches, allergies, etc.
Moreover, it leads to the degradation of building materials by creating great to irreparable damage because of rapid erosion. By extension, the static structural adequacy is at risk.
There are two ways that moisture can penetrate into building materials:
Yellow or white marks, blistering and peeling will emerge on the paint or the plaster of a problematic surface.
It is created when the building materials (concrete, plaster, bricks, etc.) absorb the rain water and snow. In many cases, the problem is worsened by hairline fractures or larger cracks in the surface.
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This type of moisture is known as wall sweating, which sooner or later will lead to the growth of mould and fungus. On many occasions, the problematic surface will have black or green areas and a strong odour.
It is created from the different temperature between the interior and exterior side of the building materials. In this case, waterproofing is achieved with the right thermal insulation.
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