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SANEDI > Energy Efficiency > Cool Surfaces

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.

wideroof

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.

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

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.

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

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).

Cool Surface explained
Cool Surface explained (Click to enlarge)
Vision & Mission
Implement & Communicate
To implement and communicate fair and accurate, credible radiative energy performance rating systems for roofs and surfaces.
Support Research
To support research into energy related radiative properties of roofing surfaces, including durability of those properties.
Provide Education
To provide education and objective support to parties interested in understanding and comparing various roofing options.
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

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

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

Cool Reflective Surfaces

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 …

10 months ago

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.

Project lead and technical expert in the passive-energy thermal control space, Denise Lundall quickly identified the significance of FSPS-Partners product’s performance results and the impact they could have on the projects for Cool Coatings. In this endeavour, she is collaborating with FSPS-Partners on transformative initiatives, such as the project at Far North School in Cosmo City.

Here, FSPS-Partners has served as patrons for their advanced Cool Coating application, benefiting the local community and contributing to long-term Monitoring & Verification (M&V) data collection for further research and development. As 2023 draws to a close, SANEDI and FSPS-Partners are expanding their collaborative efforts. They are aiming to enhance awareness among commercial entities, property management companies and engineers, building consultants through strategic outreach.

These groups stand to benefit significantly as Cool Coatings yield multiple advantages, including specifically the reduction of HVAC operating expenses via significant energy conservation, enhanced thermal comfort within interior spaces, an increase in the functional lifespan of treated surfaces and contribution to the mitigation of both the urban heat island effect and global warming.

The expansion of this particular market sector carries with it an impressive amount of potential, particularly when considering its implications for the local economy and workforce. The steady and noticeable rise in this industry’s prominence paves the way for a wealth of opportunities for job creation at a local level.

AGET African Green Energy Technologies

Contact: Pavel Parks Milenium Solutions -EnviroCoats
Tel: +27 72 324 7245
Email: pparks@aget.co.za
Website: https://enviroecoats.net
Twitter: CS@EnviroECOats.net

Genkem (Santex) – Intl owned, local distributor

Contact: Donald Perry
Tel: +27 82 6533 475
Email: donald@genkem.co.za
Website: www.sandtex.co.za

Superior Coatings Pty Ltd - Intl owned, local distributor

Superior Products Europe
Contact: George M Thomson
Tel: +27 (0) 825600766
Email:spsouthafrica@gmail.com
Website: www.specoating.com

Topps Products - Intl owned, local distributor

Contact: James Thomas
Mobile: +16623124044.
Email:jthomas@toppsproducts.com
Website: www.toppsproductssa.co.za

Verdacy

Contact: Mfundo Nkosi
Tel: +27(0)10 312 6108
Mobile: +27(0)73 272 3427
Email:mfundo@verdacy.co.za
Website:www.verdacy.co.za

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
Email:wilcote@mweb.co.za
Website:www.wilcote.co.za

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
Email:marius@fsps-partners.co.za
Website: www.fsps-partners.co.za

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