solar reflective index table

solar reflectance index (SRI) - US Green Building Council

solar reflectance index (SRI). a measure of the constructed surface's ability to stay cool in the sun by reflecting solar radiation and emitting thermal radiation. It is defined such that a standard black surface (initial solar reflectance 0.05, initial...

Solar Reflectance - The Portland Cement Association

combinations of concrete constituents meet the solar reflectance index requirements in the. Leadership in Energy and Environmental ..... 3. Figure 3. Cementitious materials, the abbreviated names are explained in the text and in Table 1.

Solar Reflectance Index of Pedestrian Pavements and Their ...

the Solar Reflectance Index (SRI), in order to evaluate their energy-environmental behavior in an urban medium. High Solar Reflectance Index (SRI) materials do not raise their temperature ... In Tables I y II pedestrian pavements are classified.

Reflective surfaces (climate engineering) - Wikipedia

Reflective surfaces are surfaces that can deliver high solar reflectance and high thermal emittance (the ability to radiate absorbed, .... Another method of evaluating coolness is the solar reflectance index (SRI), which incorporates both solar reflectance and emittance in a single value. ..... Retrieved 10 December 2011. Jump up ^ Energy Information Administration. "Table E1A. Major Fuel Consumption by...

Solar Reflectance Index (SRI)

Solar Reflectance Index (SRI) is a composite measure that combines a surface's solar reflectance and emittance. Essentially, the SRI is an indicator of how well a surface reflects (reflectance) and releases absorbed solar radiation. (emittance).

Solar Reflectance Index (SRI) Calculator - The Cool Colors Project

1, To compute solar reflectance index (SRI) and roof surface temperature based on solar reflectance (R) and thermal emittance (E) using ASTM standard E 1980: 1. Input R and E in blue and green cells. 2. Click on the red button to compute...

Solar Reflectance Index (SRI) values for colored concrete - BuildSite

25 Mar 2015 ... with a Solar Reflective Index (SRI) of at least 29 when measured according to ASTM E903 or. ASTM C1549. The actual SRI value of the concrete or structure made with Davis Colors can vary significantly from these values.

Solar Reflectance Index in the built environment - Designing ...

23 Feb 2017 ... The Solar Reflectance Index (SRI) is a measure of the solar reflectance and emissivity of materials that can be used as an indicator of how hot they are likely to become when solar radiation is incident on their surface.

SOLAR REFLECTANCE Index

Index. Solar Reflectance Index (SRI) is a composite measure that combines surface's solar reflectance and emittance. Essentially, the SRI is an indicator of how well a surface reflects (reflectance) and release absorbed solar radiation...

LEED | Phoenix Brick Yard

The solar reflectance index (SRI) is a composite value calculated using the equations in ASTM E1980, “Standard Practice for ... For a given set of environmental conditions, SRI is based on a surface's solar reflectance and emittance.

What Is a Cool Roof - US National Park Service

Table 1: Typical Minimum Cool Roof Requirements, California Energy Commission2. Roof Type. Solar. Reflectance. [3-year aged]. AND. Thermal. Emittance. [new or aged]. OR. Solar Reflectance. Index (SRI). [3-year aged]. Low sloped. 0.55.

Solar Reflectance Alumet

The environmental classification system LEED askes for the solar reflectance index (SRI) particularly on roofs. The colour is the ... standard practice for calculating Solar Reflectance Index of horizontal and low-sloped opaque surfaces. SRI (Solar Reflectance Index) ... Table courtesy of Lorin Industries. Testing standards...

Urban Heat Island Reduction, SRI - Concrete Thinker

Concrete provides reflective surfaces with good solar reflective index (SRI) that helps in urban heat island reduction. ... Table 1 shows the reflectance, emittance and SRI of some common building materials. Table 1. Solar reflectance (albedo)...

Solar Reflectance Index Calculator - 2008 Building Energy ...

The purpose of this calculator is to enable contractors and homeowners to quickly and accurately calculate the solar reflectance index (SRI) of their roof for showing compliance with the California Building Energy Efficiency Standards.

What is a Solar Reflective Index? - Definition from Corrosionpedia

The solar reflective index (SRI) is a measure of the solar radiation that is reflected back by a rooftop surface (or any other surface in question) and the emissivity of the surface. It is an indicator of how hot the surface will become when the sun's...

Solar Reflectance Index (SRI) Definition? | Poplar Network

12 Oct 2013 ... There is often confusion among people who are new to green building and LEED regarding what solar reflectance index means and what the number range is that is used to measure it. What is the definition of SRI?

TABLE OF CONTENTS - ASC Building Products

minimize impact on microclimate and human and wildlife habitat. Requirements. Use roofing materials having a Solar Reflectance Index (SRI) equal to or greater than the valued in the table below for a minimum of 75% of the roof surface. OR.

Solar Reflectivity (R) & Solar Reflectance Index (SRI) by Color ...

Solar Reflectivity (R) &. Solar Reflectance Index (SRI) by Color. Solar reflectivity or reflectance is the ability of a material to reflect solar energy from its surface back into the atmosphere. The SR value is a number from 0 to 1.0. A value of 0...

Everything You Need to Know About Cool Roofing - Design and ...

Use roofing material having a Solar. Reflectance Index (SRI) equal to or greater than the values in the table below for a minimum of 75% of the roof surface. ? Low Slope (= or Less than 2:12) SRI 78. ? Steep Slope (greater than 2:12) SRI 29.

SRI Values for Berridge Cool Roof Colors

What is SRI? Solar Reflectance Index (SRI): Incorporates both solar reflectance and thermal emissivity in a single value. SRI measures the roof's ability to reject solar heat. Standard black (reflectance 0.05, emittance 0.90) is 0 and a standard...