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About Cool Surfaces

The Cool Surfaces Project began as a collaboration between the South African and United States of America’s respective Departments of Energy under the Clean Energy Ministerial. The Cool Surfaces Project is the response to South Africa’s need for an energy passive, low cost, low maintenance cooling technology for buildings.

South Africa relies on coal for about 90% of its energy input, resulting in a large amount of carbon dioxide emissions. This pollution, concentrated around the power ENERGY EFFICIENCY ENERGY EFFICIENCY stations mainly in the Mpumalanga area, is not caused by the power stations alone but by all South Africans, as they are generating the pollution through their excessive use of coal-based energy. These emissions contribute to the changing climate patterns we are now seeing develop in South Africa – climate change is a reality today, not some time in the distant future. Every kilogram of coal burnt releases approximately one kilogram of carbon dioxide.


Initially the Cool Surfaces project was a cost share initiative between the USA DOE and RSA DOE that contributed to kick starting it. SANEDI is in partnership with the Department of Public Works and the National Development Agency, is funding the project. Two SANEDI programmes (Energy Efficiency Programme and Working for Energy) are collaborating to implement Cool Surfaces.


Cooler surface temperatures help the roof and the equipment on it last much longer.

  • Cool roofs allow less heat into the building, making un-airconditioned homes, warehouses and other buildings much cooler.
  • In cities, cooling effects vary from city to city, but studies indicate a consistent pattern of cooling potential from between 2 and 4°C.
    Whitening 100m2 of roofing cancels the warming effect of 10 tons of CO2 emissions (or 0.6 tons per year for the life of the roof).

Globally cancels 500 medium- sized coal power plants’ worth of greenhouse gas emissions – more than CFL deployment. It is an excellent offset measure.

High-level government officials, regional decision-makers, industry representatives, green building and sustainability experts and others convened to:

Project Roadmap


On the 6th February 2014 the South African Cool Surfaces Association (SACSA) was established. The formation of the Association is as a result of a conference in May 2013 organized by the South African Department of Energy, United States Department of Energy and SANEDI who invited participation in the conference for the Cool Roofs and Pavements Working Group of the Global Superior Energy Performance Partnership (GSEP) – an initiative of the Clean Energy Ministerial (CEM) and the International Partnership for Energy Efficiency Cooperation (IPEEC).

Vision & Mission

SACSA is a non-profit organization for the following purposes:

To implement and communicate fair and accurate, credible radiative energy performance rating systems for roofs and surfaces

To support research into energy related radiative properties of roofing surfaces, including durability of those properties

To provide education and objective support to parties interested in understanding and comparing various roofing options

The Newly Established Building Envelope Testing Services (BETS) At The SABS Is In The Process Of Procuring Equipment To Test The Performance Of Cool Roofs And Surfaces In Order To Assist With The Rating Of Products.


SABS Testing

“The newly established Building Envelope Testing Services (BETS) at the SABS is in the process of procuring equipment to test the performance of cool roofs and surfaces in order to assist with the rating of products. “

Product Directory
Product rating, labeling & certified product directory:

Product Rating:
At the core of SACSA is its Product Rating Program, in which roofing manufacturers can label various roof surface products with radiative property values rated under a strict program administered by SACSA and SAFIERA (South African Fenestration and Insulation Energy Rating Authority)

SACSA does not set a minimum definition for “cool”; the Association simply lists the measured radiative property values on our Directory. Any roofing product can be tested as long as it is in compliance with the product rating manual. A product’s placement on the Directory does not mean that the product is “cool” as defined by any particular code body or program

All radiative property testing is conducted by accredited testing laboratories. The SABS is in the process of procuring equipment to become an Accredited Testing Laboratory



This is a brief explanation of Cool Surfaces technology, particularly in the context of roofing and its relevance in energy efficiency of the built environment. This serves as the basis for further research, study and discussion with the aim being the formal inclusion of cool surface technology in the relevant South African National Standards regulations and codes.

Background on Cool Surfaces

Cool surfaces are those building materials that remain cooler in relation to other surfaces exposed to the same environmental conditions with specific reference to solar radiation.
Solar radiation refers to the full spectrum of electromagnetic radiation emitted by the sun, starting from extremely high frequency and short wavelength gamma radiation through x-ray radiation, ultra-violet radiation, visible light, near-infrared radiation, infrared radiation, microwave radiation, radio-waves to long wavelength radio waves. The highest level of energy is carried by the shorter, higher frequency radiation (such as gamma radiation) and the lowest energy by the longer, lower frequency radiation (such as radio waves).
Earth’s atmosphere reflects, scatters (a form of reflection) and absorbs much of the sun’s radiation. It only allows some wavelengths to be transmitted through the atmosphere to the surface of the planet – what we then experience as sunlight. Fortunately for us the high energy gamma, x-ray and most of the ultraviolet radiation does not reach us. For example, ozone in the atmosphere absorbs ultraviolet radiation. Much of the infrared band is also absorbed or reflected by the atmosphere. The wavelengths beyond the infrared band do not carry much energy and therefor do not have much impact on heating surfaces on the planet. For example, radio waves are continually passing through our bodies but do not raise our body temperature.
We are concerned with the wavelengths of solar radiation that do cause significant heat gain when absorbed by materials on the planet’s surface. This heat gain manifests from the absorption of a small portion of ultra-violet radiation (5% contribution to heat gain) the entire spectrum of visible light (roughly 51% contribution to heat gain) and mainly the near -infrared wavelengths of the infrared radiation spectrum (mainly the remaining 44% contribution to heat gain).read more...


Cool Coatings Unleash Economic and Environmental Benefits: Inside SANEDI and FSPS-Partners' Pioneering Collaboration

In response to key global megatrends that have also impacted South Africa — such as climate change, urbanisation, demographic shifts, the Fourth Industrial Revolution (4IR) and growing inequalities — The SANEDI Cool Surfaces and Insulation Programme has attempted to action strategies centring its attention on three fundamental themes in line with national policy: Climate Change and Decarbonisation, Municipal Service Delivery, and Data & Technological Convergence, it maximises its impact under the direction of the Department of Mineral Resources and Energy.

FSPS-Partners, an innovative South African company, stands at the forefront of advanced Cool Coatings technology. Their high-performing Solar Reflectance Index (SRI) metrics — 110 for SWISS-R1 Ultra Reflective Cool Coating and 108 for TPL1 advanced thermal Cool Coating — have set new local standards for Cool Coatings.

Read More>>


AGET African Green Energy Technologies

Contact: Pavel Parks Milenium Solutions -EnviroCoats
Tel: +27 72 324 7245

Topps Products – Intl owned, local distributor

Contact: James Thomas
Mobile: +16623124044.

Genkem (Santex) – Intl owned, local distributor

Contact: Donald Perry
Tel: +27 82 6533 475


Contact: Mfundo Nkosi
Tel: +27(0)10 312 6108
Mobile: +27(0)73 272 3427

Superior Coatings Pty Ltd – Intl owned, local distributor

Superior Products Europe
Contact: George M Thomson
Tel: +27 (0) 825600766

Wilcote Franchising CC - RSA owned and distribution

Contact: Will Rogers
Postal address: PO Box 272, Ballito, 4420
Tel: +27 32 942 2022/ +27 32 942 2023

Full Scope Property Partners (FSPS – Partners) t/a TEPLO-HOL

Full Scope Property Partners (FSPS – Partners) t/a TEPLO-HOL
Contact: Marius Van Loggerenberg
Tel: +27 (0) 786436995

Please fill in the form below


    Block C, Upper Grayston Office Park
    152 Ann Crescent

    Contact Details
    Phone: (011)038 4308

    Share the best practices and experiences of global leaders in sustainability, and forge new relationships and partnerships to support initiatives to bolster resiliency and sustainability through cooler buildings, communities, cities and nations. This conference led to the formation of SACSA.

    SACSA is a non-profit organization to implement and communicate an accurate radiative energy performance rating systems for roof and other surfaces, support research, and serve as an educational resource for information on roofing.

    The South African Cool Surfaces Association (SACSA) was created to develop accurate and credible methods for evaluating and labeling the solar reflectance and thermal emittance (radiative properties) of surfaces, including roofing products and to disseminate the information to all interested


    This is a brief explanation of Cool Surfaces technology, particularly in the context of roofing and its relevance in energy efficiency of the built environment. This serves as the basis for further research, study and discussion with the aim being the formal inclusion of cool surface technology in the relevant South African National Standards regulations and codes.

    Background on Cool Surfaces

    A cool roof reflects and emits the sun’s energy (radiation) as light back to the sky instead of allowing it to enter the building below as heat. In many climate zones, a cool roof can substantially reduce the cooling load of the building, providing several direct benefits to the building owner and occupants.

    If a building does not have air conditioning, this keeps the building cooler and a more constant temperature. If a building has air conditioning, the equipment does not have to work as hard.

    Standards used by SACSA

    ASTM C1549 – Standard Test Method for Determination of Solar Reflectance Near Ambient Temperature Using a Portable Solar Reflectometer
    ASTM C1371 – Standard Test Method for Determination of Emittance of Materials Near Room Temperature Using Portable Emissions Meters
    ASTM E903 – Standard Test Method for Solar Absorbance, Reflectance, and Transmittance of Materials Using Integrating Spheres
    ASTM E1918 – Standard Test Method for Measuring Solar Reflectance of Horizontal and Low-Sloped Surfaces in the Field
    ASTM E1980 – Standard Practice for Calculating Solar Reflectance Index of Horizontal and Low-Sloped Opaque Surfaces

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