Waterproof
roofing materials that can withstand high temperatures and excellent durability
within the roofing materials are known as elastomeric membranes. These
membranes are recommended and used where extreme climatic conditions prevail
and possess a lifespan of about 25 to 30 years. Durability, elasticity and
moisture resistance are the major properties enhancing the elastomeric membrane
as ideal choice for roofs. They are used on large flat and low-slope roofs and
demand minimum maintenance. Elastomeric membranes possess excellent property of
elasticity that is suitable for cold climates. These membranes are expensive
compared to the conventional roofing materials but possess long shelf-life
validating the cost. Dual-layered traditional membrane and self-adhesive
elastomeric membrane are the two types of elastomeric membranes available in
Asian markets. Traditional elastomeric membranes are used in harsh
environmental conditions. Self-adhesive elastomeric membranes are easy to
install because they are cold-applied on the flat or low-sloped roof.
Polyurethane
elastomeric membranes are manufactured using rigid and hard crystalline
copolymers or polyether or polyesters. They are made up of soft segments of
polymers which possess more elastic behaviour and all grades of polymers can be
used in the manufacture of elastomeric membranes. Polyurethane elastomeric
membranes are recyclable, reground and reprocessed many times. Many porous
surfaces can be rendered waterproof by the use of polyurethane elastomeric membranes.
Polyurethane resins are used in the manufacture of elastomeric membranes,that
provides a high performance waterproof elastic membrane designed for long-term
protection and waterproofing of concrete, cement-based mortars, bricks, tiles,
etc. These are the advanced elastic waterproofing materials used for roofs,
terraces, balconies, protection of water tanks, reservoirs, digesters,
bridging, sealing and filling of hairline cracks that subject to movements,
various indoor or outdoor applications, such as balconies, kitchens, bathrooms,
irrigation channels, pipelines, coating and protection of metal tanks or silos,
steel pipes and for underground concrete structures.
According
to the study “Asia
Elastomeric Membrane Industry Situation and Prospects Research Report”,
Asian elastomeric membranes manufacturers are investing and focusing on
development of newer products in order to meet the increasing demand. The
leading manufacturers operating in Asia’s elastomeric membrane market are
Standard Industries Inc., Sika, Firestone Building Products Company, Carlisle
Companies Inc., Soprema Group, BASF SE, GCP Applied Technologies Inc., Johns
Manville, Kemper System, Saint-Gobain, Copernit S.P.A., Paul Bauder GmbH &
Co. Kg, Fosroc, Henry Company, Derbigum, Renolit, Iko Industries, Mapei S.P.A,
Pidilite Industries Ltd, 3M Company, Noble Company and W. R. Meadows, Inc.
Geographically, Asia’s elastomeric membrane market is spread across China,
India, Japan, Korea, Saudi Arabia and other regions. Elastomeric membranes are
used in roofs, walls, underground construction, wet areas and other industries.
Evolution
in infrastructure sector, strict environmental norms and regulations are key
factors involved in driving the elastomeric membrane market. China and India
account for a major share in Asia’s elastomeric membrane market due to
increasing investments in the commercial construction sector. Additionally,
urbanization and increasing awareness about energy-efficient buildings is an
added advantage to this market. Asia will witness the widespread usage of
polyurethane elastomeric membranes as the focus of the users focus on the
durability of the product over the next few years.
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