Solar heat-reflective coatings for energy savings
POWER & RENEWABLE ENERGY

Solar heat-reflective coatings for energy savings

Solar heat-reflective coatings for buildings and other infrastructure can save energy and reduce the carbon footprint, AS Khanna explains the energy- and money-saving coatings and where they can be used.

Today, India is trying to reduce its carbon footprint by producing electricity through alternative energy, especially wind and solar power. However, it is also possible to use a simple paint coating on a rooftop to bring down the structure’s temperature, thereby consuming less power for air-conditioners or coolers.

Initially, the main purpose of paint coatings was aesthetics and corrosion protection for steel and concrete structures. But their scope has widened substantially. Today, the market offers high-performance, functional and eco-friendly coatings. Several kinds of coatings are now function-specific—for acid-resistance, high temperature-resistance, automotive use, concrete and plastics. In addition, many coatings are characterised as ‘smart’ as they do more than just protect the surface. These include hydrophobic, self-cleaning and self-healing, conductive, anti-bacterial and anti-dust coatings.

Recently, a new kind of smart coating that can cool roofs has been developed that saves electricity and reduces the carbon footprint by reflecting about 89 per cent of the infrared (IR) heat absorbed from the sun. In addition to heat reflection, the coating also has an insulation effect. Thus, such a combination can bring down the ambient temperature in a room, say from 45oC to 37oC.

To read this article in full, click here.

Solar heat-reflective coatings for buildings and other infrastructure can save energy and reduce the carbon footprint, AS Khanna explains the energy- and money-saving coatings and where they can be used. Today, India is trying to reduce its carbon footprint by producing electricity through alternative energy, especially wind and solar power. However, it is also possible to use a simple paint coating on a rooftop to bring down the structure’s temperature, thereby consuming less power for air-conditioners or coolers. Initially, the main purpose of paint coatings was aesthetics and corrosion protection for steel and concrete structures. But their scope has widened substantially. Today, the market offers high-performance, functional and eco-friendly coatings. Several kinds of coatings are now function-specific—for acid-resistance, high temperature-resistance, automotive use, concrete and plastics. In addition, many coatings are characterised as ‘smart’ as they do more than just protect the surface. These include hydrophobic, self-cleaning and self-healing, conductive, anti-bacterial and anti-dust coatings. Recently, a new kind of smart coating that can cool roofs has been developed that saves electricity and reduces the carbon footprint by reflecting about 89 per cent of the infrared (IR) heat absorbed from the sun. In addition to heat reflection, the coating also has an insulation effect. Thus, such a combination can bring down the ambient temperature in a room, say from 45oC to 37oC. To read this article in full, click here.

Next Story
Infrastructure Urban

FIMI seeks urgent RoDTEP extension for aluminium exporters

"The Federation of Indian Mineral Industries (FIMI) has urged the Ministry of Commerce and Industry to extend the Remission of Duties or Taxes on Export Products (RoDTEP) Scheme for aluminium-producing units operating under Advance Authorisation (AA), Export Oriented Units (EOUs), and Special Economic Zones (SEZs).This appeal follows a similar request made by the Aluminium Association of India (AAI) to the Ministry of Finance, citing the need to safeguard the competitiveness of nearly 45 per cent of India’s aluminium exports originating from AA/EOU/SEZ units.In a letter to Commerce Secretary..

Next Story
Real Estate

Mumbai logs over 12,000 property deals in April; revenue nears Rs 9.9 bn

Mumbai (BMC limits) is set to clock over 12,142 property registrations in April 2025, contributing more than Rs 9.9 billion in state revenue, according to Knight Frank India. This marks the city’s strongest April performance in 13 years, registering a 4 per cent year-on-year rise in volumes. However, stamp duty revenue dipped by 6 per cent during the same period.Residential transactions continue to dominate, accounting for 80 per cent of total registrations. Notably, premium housing gained momentum, with the share of properties priced above Rs 2 crore rising from 22 per cent to 25 per cent, ..

Next Story
Real Estate

MHADA to issue redevelopment NOCs within 6 weeks: Jaiswal

In a major boost to Mumbai’s redevelopment momentum, Mr. Sanjeev Jaiswal, IAS, Vice President and CEO of MHADA, announced that No Objection Certificates (NOCs) for the redevelopment of old cessed buildings submitted under Section 79A(1a) or 79A(1b), along with 51 per cent resident consent, will be issued within six weeks. The directive, declared at MHADA’s 2nd Redevelopment Conference and Investors Summit, brings these approvals under the Right to Service Act. If delayed beyond the stipulated timeframe, the NOC will be deemed approved.The event, held at MIG Club, Bandra (East), brought tog..

Advertisement

Advertisement

Subscribe to Our Newsletter

Get daily newsletters around different themes from Construction world.

STAY CONNECTED

Advertisement

Advertisement

Advertisement

Advertisement

Talk to us?