Solar Reflective Roofs

Old Asphalt Flat roofs With Blisters Bubbles And Cracks. Also ...
The fact that the roof has been painted with solar reflective paint only stops the roof from getting hot. Asphalt flat roofs when hot go soft and moisture trapped underneath vaporises and pushes ... View Video

APPLICATION OF COOL BARRIER High Solar Reflective Roof ...
COOL ROOFS CASE STUDY Municipality of Kesariani Athens 30/9/2008 APPLICATION OF COOL BARRIER High Solar Reflective Roof Coating ON SCHOOL ROOFS Mr Prokopis Perdikis Abolin Co With The Support of : Experimental and Numerical Assessment of the Impact of ... View Doc

Understanding Cool Roofs - Johns Manville
Understanding Cool Roofs Energy, Environment and Roofing Design Reflectivity Solar reflectivity (or reflectance) is the fraction of the solar energy that is reflected by the surface (i.e., roofing membrane) back to the sky. White membranes have the highest solar reflectivity, while black have the lowest. Emissivity Infrared emissivity (or ... Return Doc

ENERGY STAR Roof Product List
Initial Solar Reflectance Solar Reflectance after 3 years Initial Emissivity Low Slope? Steep Slope? Roof Cleaned Prior to 3rd Year Test* Warranty Period (Years)** Date Available On Market Date Qualified AEP-SPAN Duratech 5000 Jade Green Jade Green Metal 0.3 0.25 0.87 Yes Yes No 25 3/1/2010 4/11/2011 ... Access Doc

AQUASEAL SOLAR REFLECTIVE ROOF - Sealantsandtoolsdirect.co.uk
SOLAR REFLECTIVE ROOF COAT Aluminium Roof Paint Description of Product FEB AQUASEAL SOLAR REFLECTIVE ROOF COATING is a high quality decorative and weatherproof, bitumen based Reduces heat build-up on flat and sloping roofs, limiting thermal movement. ... Fetch Content

Saving Energy By Cleaning Reflective Thermoplastic Low-Slope ...
Reflective thermoplastic low-slope roofs are the most rapidly growing segment of the United States sheet membrane solar reflectance decreases significantly in the first two years of weathering (Byerley and Christian 1994; Petrie et al. 1998). ... Fetch Document

NR Cool Roofs Consolidated CostSummary
Reflectance value of 0.55 to a more highly reflective cool roof with an aged solar reflectance of 0.67. To determine the incremental cost associated with a more highly reflective cool roof a combination of The following roofing types were examined for low‐sloped roofs of nonresidential ... View Document

FOR Hot Climates - SOLEC-Solar Energy Corp.
Reflective roofs work because they stop the rooftop heat before it ever gets reject a lot of solar energy. And whether you’re applying tile, metal, Cool Roofs FOR Hot Climates FOR Steven Spencer, FSEC JUNE JLC 2003. ... Get Doc

Solar Reflectance Performance Of Roof Coverings In Istanbul ...
Benefits of reflective roofs are recognized by Turkish architects, contractors, and manufacturers, however, the solar reflectance performance of new and aged roof coverings produced in Turkey is still unknown.Therefore, short -term and long-term solar reflectance performance of roof coverings that are produced and commonly used in Turkey were ... Fetch Full Source

THE HEAT OVER COOL ROOFS: SETTING THE RECORD STRAIGHT ON ...
Over time, the energy benefits of reflective roofs in southern climates have come to be broadly accepted and recognized. Figure 3: Ratio of mean global solar irradiance winter/summer. ratio of mean global horizontal solar irradiance winter / summer High: 0.71 Low: 0.06 Winter = Dec - Feb Summer = Jun - Aug page 2 ... Get Document

Solar Reflective Coatings - Cool Roofs - Paul Benson ...
Http://www.blueturtleroofing.com Paul Benson of Blue Turtle Roofing, a San Rafael CA roofing contractor describes how using solar reflective coatings and the ... View Video

Hashem Akbari - Wikipedia
Hashem Akbari (born 13 August 1949) is an Iranian-American professor They are working with manufacturers of roofing and paving materials to develop ‘colored’ solar-reflective materials for the and updated the standards to offer credits for roofs with high solar reflectance. ... Read Article

Reducing Urban Heat Islands: Compendium Of Strategies
Reducing Urban Heat Islands: Compendium of Strategies describes the causes and impacts of summertime urban heat islands and promotes “Green roofs” refer to rooftop gardens. Solar energy intensity varies over wavelengths from about 250 to 2500 nanometers. ... Access Full Source

Cool Roofs For A Hot Planet - Duro-Last
EDUCATIONAL-ADVERTISEMENT COOL ROOFS FOR A HOT PLANET M any scientists agree that the planet is reflective roofing, and specifically the role of Cool roofs deflect solar energy away from a building and back to the atmosphere and beyond. ... Retrieve Doc

Cool roofs
Cool roofs The term cool roof refers to a roofing product with high solar reflectance (sr) and thermal emittance (te) prop-erties. These properties help reduce electricity used for air conditioning by lowering roof temperatures on hot, sunny days. ... Fetch Content

Climate-proof Your Home So You're Ready For Britain's Wild Weather
All of these could save up to £160 per year. Solar shading in the form of shutters, curtains or reflective blinds over windows is another way to prevent homes overheating in the sun and so reducing ... Read News

Solar Reflectance Indea And Cool Roofs
Solar Reflectance Index and Cool Roofs Source: Environmental Building News That translates into less solar-generated cooling loads for buildings with white, reflective roofs. It can also mean lower ambient temperatures outside those Both the reflectance and the emissivity of cool roofs ... Read Here

DDC COOL & GREEN ROOFING MANUAL - City Of New York
This is because non-reflective roofs absorb and retain solar energy as heat, which contributes not only to a hotter roof, but also to uneven thermal expansion/ contraction and aging of the roof, and sometimes to heat gain within the rest of the building. ... Document Viewer

Firestone Modified Bitumen Roofing Systems
Reflective roofs using Firestone UltraWhite granules can also reduce the “heat island effect” that occurs when developed urban areas have significantly higher average temperatures than the SRI (Solar Reflectivity Index) ORNL (DOE) calculator, ASTM E 1980-01. ... Retrieve Content

Solar Reflective Coatings Q&A - Rose Paving
Solar Reflective Coatings Albedo is a measure of solar reflectance. These are high‐albedo coatings which are often light gray or white in color and reflect more of the sun’s energy. dark surfaces (such as roads and roofs) in a typical urban environment which absorb and release solar ... Access Doc

Stay-Clean And Durable White Elastomeric Roof Coatings (ERCs)
Stay-Clean and Durable White 2014 Building Technologies Office Elastomeric Roof Coatings • Raise performance standards for white roofs from the current aged solar • Technical Meeting of the Reflective Roof Coatings Institute, Berkeley, CA, 10/2013 ... Access Doc