Bituminous waterproofing systems are designed to protect residential and commercial buildings. Bitumen is a mixed substance made up of organic liquids that are highly sticky and viscous and are waterproof.
Bituminous membranes are made up of more than one product, Bitumen, a mixture of limestone or sand added with polymers, Base products such as polyester, fiber glass etc, Small granules of minerals and Thin transparent film. Bituminous roofing membranes represent a major portion of today’s roofing and have a strong record of reliability.
Bituminous roofing products move with the structure but do not absorb water. The products have an extremely long life span, with most membranes having British Standard marks against each product name. There is low noise pollution during application. Bituminous membranes protect insulation and can reflect harmful sun rays. New products also contain photovoltaic cells that can produce solar energy.
Types of Bituminous Membranes :