Waterproofing Methods: Top 4 Waterproofing Methods in Kenya.
4 Common Waterproofing Methods in Kenya
Waterproofing in buildings is the formation of an impervious barrier over surfaces of foundations, roofs, walls and other structural members of building.
It’s the easiest method of waterproofing in construction. The materials for cementitious waterproofing are easily available from suppliers of masonry products, and they’re easy to mix and apply.
This method is usually a rigid or semi-flexible type waterproofing, but since it is used in internal areas such as toilets, it is not exposed to sunlight and weathering.
Liquid Waterproofing Membrane
Liquid membrane is a thin coating which consists of usually a primer coat and two coats of top coats which are applied by spray, roller, or trowel. It offers more flexibility than the cementitious types of waterproofing.
It’s a type of coating used for waterproofing and flexible protective coat in accordance with its formulation and polymerization grade.
Its flexibility and protection against water can be influenced by the polymer grade as well as reinforcement of fiber
Polyurethane liquid membrane
This method of waterproofing is used for the flat roof area and exposed to weathering. This waterproofing method is expensive.
It offers higher flexibility.
Polyurethane is very sensitive to moisture content present, therefore before application, one has to be very careful evaluating the moisture content of the concrete slab, otherwise peeling or de-bonding of membranes may happen after some
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