Page 86 - CO_Feb_2023

CONSTRUCTION & W
CONSTRUCTION & WATERPROOFING CHEMICALSATERPROOFING CHEMICALS

substrate and not crack or peel off. Elastomeric roof coatings such as those based on polycarboxyles (PCE) offer various
are an attractive roofing option for many reasons. It’s more cost- advantages such as high strength, relatively faster strength gains,
effective than completely tearing off your existing roof. The white self-compacting, and durability, among others. PCE admixtures
color will add reflectivity, which will lower energy costs. It can be presently have about 10% penetration in the Indian construction
installed faster. It seals leaks and makes your roof a monolithic chemicals market, whereas it is about 25% in China, 50% in
layer of waterproofing. It provides the building owner with a new Europe and 80% in Japan.
10-20-year warranty. It’s considered maintenance and/or repair
and doesn’t count as another roofing system. Innovative offerings
According to Exactitude Consultancy, the bitumen waterproofing The cost of construction continues to rise, driven by escalating
chemicals market is expected to witness lucrative growth in raw material and labor costs. In response, project developers
the coming years because of its wide applications across the and owners are increasingly choosing cutting-edge waterproofing
construction segment, which helps in laying down a bituminous products and solutions. But the same trend holds true in all aspects
waterproof membrane over the roof structures. It captured more of waterproofing. Crystalline admixtures, polyurethane coatings,
than 40% of the global volume. Due to the high viscosity and and acrylic polymer-based cementitious coatings are all gaining
stickiness of bitumen, the demand for waterproofing chemicals in popularity.
is likely to increase in the years to come. Better demand for Global player Evonik´s Coating Additives Business Line has
waterproofing polymers has also been noticed with the mounting developed a new, multifunctional polymer additive for powder
need for thermoplastic polyolefins (TPOs). TPO is utilized in energy- coating formulations: TEGO® Powder Aid D01 makes the
efficient roofing systems. formulation easier to disperse during extrusion by promoting
Green building is one of the few sectors of the construction market pigment wetting and effectively reducing melt viscosity. The lower
that has experienced virtually uninterrupted growth over the past melt viscosity also leads to better degassing, which aids flow and
decade. The growing emphasis on long-term, life-cycle costs is leveling as the formulation cures and prevents pinholes in the
favourable to waterproofing contractors who focus on quality and coating. Thus, the new additive optimizes gloss development and
craftsmanship, and the green/sustainable building movement will ensures better DOI (Distinctness of Image) on the coating surface.
give environmentally-friendly products an edge. Another plus point of TEGO® Powder Aid D01 is its particularly
Major construction chemical manufacturers are now focusing versatile applicability in formulations with inorganic fillers and
on developing novel concrete admixture products by mixing pigments, along with organic pigments including carbon
plasticizers, retarders, accelerators, and air-entrainers as concrete black. “Our new product thus offers a wide range of benefits for
admixtures are extremely important for any construction project formulators who desire one multifunctional additive for various
and are majorly used in the country. Additionally, admixtures powder coating systems,” says Maximilian Morin, Head – Industrial

86 CONSTRUCTION OPPORTUNITIES|FEBRUARY 2023