Waterproofing is considered to be an important part of modern construction. The word Waterproofing’ may be a misnomer as it is virtually impossible to provide absolute exclusion of water or moisture from a masonry/concrete structure. The process is basically an attempt to exclude the maximum amount of water or moisture from a structure. Waterproofing is essentially required where there is a hydrostatic head of water to be resisted or where unusually dry conditions must be maintained. On the other hand, damp proofing may be defined as the treatment to retard the passage of water with the application of suitable treatment methodology coating or integral waterproofing compounds.
The basic causes of defects in buildings are due to usage of excess water (high w/c/ ratio), by excess water we mean that, adding more water than required for hydration. This leads to the formation of capillaries, pores, gel pores through which water can penetrate into the structure thus endangering the durability of the structure.
CATEGORIES OF WATERPROOFING
Cementitious waterproofing is the easiest method of waterproofing in construction work. The materials which are used for waterproofing of concrete are easily available in the market. This method is used in wet areas like toilets and bathrooms.
Liquid Waterproofing Membrane
Liquid membrane is a thin coating that usually consists of a primer coat and then two coats of liquid waterproof which are applied by spray or roller. It offers more flexibility than the cementitious type of waterproofing by forming a rubbery coating on the applied surface.
Bituminous coating is flexible and protective which is also called asphalt coating. It is a very good protective coating and waterproofing agent, especially on surfaces of concrete foundations. Bituminous coating is made of bitumen based material and it is not suitable for exposure to sunlight.
Why Waterproofing Treatment?
STRENGTHENS THE STRUCTURE
Waterproofing Treatment prolongs the lifespan of your building by limiting ways that water and moisture can enter through the ceiling, walls, or floor. If these areas are well protected from water intrusion, the structure can avoid damage such as rust, rotting, corrosion, and deterioration.
REDUCES MAINTENANCE COST
Waterproofing Treatment is a cost-efficient solution to save on expensive repairs. When your building is free from water damage, you can expect to have fewer problems maintaining it. Even the slightest amount of water seeping into a building can build-up or cause concrete to crack, which can easily lead to bigger disasters.
Waterproofing Treatment isn’t only about ensuring the structure’s integrity but also preventing health problems. Moisture build-up in the ceiling and walls causes fungus or mold growth. These microorganisms can cause serious health issues such as allergies, asthma, and a weakened immune system.