Bitumen is used to pave roads, but, it is also used for waterproofing. Also known as asphalt, it’s flexible due to the polymer grade and fibre reinforcements.Due to its high elasticity, This black liquid is usually applied like paint, spread onto the surface.It will bond perfectly to almost any surface such as concrete, masonry, metal and timber.
Due to it containing bitumen-based substances, it isn’t suitable for sunlight exposure as it turns brittle under heat. So, if used on a rooftop, it needs to be covered by another protective layer such as cement.
It can be applied on different structures including those subject to thermal movement and vibration such as concealed RC flat roof, External walls to be buried below ground, waterproofing coating under tiles areas like podium, bathrooms and balconies.
