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solar reflectance index for decks



solar reflectance index for decks

cool-roof™ pavers | tile tech pavers® | roof pavers

solar reflective cool-roof™ pavers are ideal for creating functional and attractive rooftop terraces balconies and plazas. our cool-roof™ pavers utilize a high reflective value and low emissivity rate resulting in a high solar reflectance index (sri) value; tile tech cool-roof™ pavers have a minimum sri value of 78.

cool metal roofing | wbdg - whole building design guide

depending upon the surface finish cool metal roofing can provide enhanced energy efficiency with its solar reflectance and infrared emittance properties. in fact the solar reflectance and infrared emittance of a metal roof can be engineered to meet the climate requirements of the building.

solar reflectance index wood deck - chidayspa.com.au

fact sheet - energy code ace. oct 17 2016 a cool roof is a roofing product with high solar reflectance and thermal emittance aged solar reflectance thermal emittance and solar reflectance index (sri) are . wood framed roofs in cz 3 & 5 with a roof assembly u-factor of 0.034 or when roofs are exposed to the roof deck or to the roof recover

ultraply™ tpo membrane

solar reflectance index (sri) 98 / 83 71 / 63 37 / 36 rated product id 0008 0015 0032 licensed manufacturer id 0608 0608 0608 classification production line production line production line energy star®: initial / 3 yr white solar reflectance 0.79 / 0.68* --- --- thermal emittance 0.85 / 0.83

3 must-know differences in roofing codes

if you’re following iecc you have a couple of options for roof materials: you can install one with a three-year aged solar reflectance index (sri) of 64 or you can instead opt for one with an aged sri of 55 combined with an aged thermal emittance of 0.75 or.

solar reflectance index for decks - kangaroo point health ...

the solar reflectance and thermal emittance values of roofing products. only the aged solar reflectance and emittance values listed within the crrc rated products. directory may be .... the solar reflectance index (sri) is an alternative to meeting the minimum requirements for ... r-2 or greater insulation above roof deck.

sustainability | awip

roofing products used on at least 75% of the roof will qualify for this credit when the solar reflectance index (sri) is at least 78 for low-sloped roofs and 29 for steep sloped roofs. all of awip’s standard colors qualify for steep-sloped applications while regal white and imperial white qualify for low-sloped applications.

strategies for design and construction of high- reflectance ...

these include solar reflectance (also referred to as albedo) and roughness of the surface as well as permeability conductivity emissivity and thickness of the top bound layers (3). among these factors two parameters—solar reflectance and thermal emittance—are used to determine the solar reflectance index (sri) of a pavement surface.

cool deck surfaces with the cool-dek line

a composite index called the solar reflectance index (sri) is used by the u.s. green building council and others to estimate how hot a surface will get when exposed to full sun. the temperature of a surface depends on the surface’s reflectance and emittance as well as solar radiation.

solar reflectivity (r) & solar reflectance index (sri) by ...

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 indicates that the material absorbs all solar energy and a value of 1.0 indicates total reflectance.

solar reflectance index of timber decking - outside wpc deck

timber decking sri value - outside decking floor. solar reflectance index of timber decking. solar reflectance index (sri) by color. solar reflectivity or reflectance is the ability of a material to reflect solar energy ...

chart of sri values | berridge manufacturing co.

the high reflectivity emissivity and solar reflectance index (sri) of berridge metal roofing helps mitigate the heat island effect. berridge’s kynar 500®/hylar 5000®. cool metal roof colors are optimal for reducing energy consumption particularly where cooling loads dominate.

leed | tile tech pavers®

our cool-roof™ pavers utilize a high reflective value and low emissivity rate resulting in a high solar reflectance index (sri) value; tile tech cool-roof™ pavers have a minimum sri value of 78. this high sri value allows you to meet the needs for “leed” certified projects when used on your roof and decks.

wood decking sri value - outside wpc deck

solar reflectance index of wood - outside wpc deck. products 69 - 81 ... a composite index called the solar reflectance index (sri) is used by the ... as concrete masonry and wood) have ... hanley wood is a registered provider with the american. ... index (sri) equal or greater than the values in.

white reflex - index s.p.a

white reflex and white reflex fire resistant solar reflectance index sri 104 white reflex ultra solar reflectance index sri 110 solar reflectance index 78°c 39°c white reflex white reflex ultra white reflex fire resistant high reflectance and high emissivity water-based white paints for bituminous waterproofing membranes concrete sheet metal

2012 iecc roof solar reflectance - energy codes

2012 iecc roof solar reflectance. roofs in climate zones 1-3 must comply with one of the following requirements or be declared exempt from these requirements. 3-year aged solar reflectance >= 0.55 and thermal emittance >= 0.75. if selected enter the solar reflectance and thermal emittance values.

reflectance more than meets the eye

no impact on srv. note: solar reflectance index or sri is calculated from the srv and emittance value of a material therefore it is also different and independent from lrv. light reflectance value ≠ solar reflectance value ≠ solar reflectance index lrv and srv and sri are not the same property and cannot be used interchangeably!

solar reflectance index of composite decking

make certain the structural decking will support the loads incurred by material ... the deck load ... removal of the plastic release liner from the adhesive backing may create a .... solar reflectance index (sri ... aged solar reflectance (3 years).

energy environment and roofing engineering

solar reflective index (sri) the solar reflective index is a measure of the constructed surface’s ability to reflect solar heat as shown by a small tem-perature rise. it is defined so that a standard black (reflectance 0.05 emittance 0.90) is 0 and a standard white (reflectance 0.80 emittance 0.90) is 100. sri com-

guide to cool roofs - us department of energy

• solar reflectance — the fraction of sunlight that is reflected. • thermal emittance — the efficiency with which a surface cools itself by emitting thermal radiation. both properties are measured on a scale of 0 to 1 — the higher the values the cooler the roof. the emergence of cool roofs cool roofing is not a new concept.

solar reflectance index measurements - surface optics corp.

the solar reflectance index (sri) is a measure of the constructed surface’s ability to reflect solar heat as shown by a small temperature rise. it is defined so that a standard black surface (reflectance 0.05 emittance 0.90) is 0 and a standard white surface (reflectance 0.80 emittance 0.90) is 100.

roof solar reflectance and thermal emittance | upcodes

a. the use of area-weighted averages to meet these requirements shall be permitted. materials lacking initial tested values for either solar reflectance or thermal emittance shall be assigned both an initial solar reflectance of 0.10 and an initial thermal emittance of 0.90.

measurement of solar reflectance for roof coatings and ...

solar reflectance is the fraction of the incident solar energy which is reflected by the surface in question. the best standard technique for its determination uses spectrophotometric measurements with an integrating sphere to determine the reflectance at each different wavelength.

solar reflectance index - hdg primer - hdg building materials

solar reflectance. some solar radiation is reflected away from materials surfaces. generally light colored smooth and shiny surfaces tend to reflect more energy than darker colors. innovative materials can challenge this convention. thermal emissivity. solar energy that is not reflected is absorbed by building materials on a roof wall or deck.

solar reflective index - greenbuildingadvisor

"a composite index called the solar reflectance index (sri) is used by the u.s. green building council and others to estimate how hot a surface will get when exposed to full sun. the temperature of a surface depends on the surface’s reflectance and emittance as well as solar radiation.

solar reflectance index of wood - environmentally friendly floor

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 ...

pec 185 solar reflective index pecora deck 800 series 1-3-13 mdm

solar reflective index of pecora deck 800 series polyurethane deck coating technical bulletin pec 185 165 wambold road harleysville pa 19438 • 1-800-523-6688 • 215-723-6051 • fax 215-799-2518 pecora deck 800 series (535) stone grey top coat was tested for solar reflectance and emittance per astm c1549 and c1371 guidelines respectively.

resources - cool roof rating council

high-reflectance roof. use roofing materials that have an aged sri equal to or greater than the values in table 1. if aged sri is not available the roofing material shall have an initial sri equal to or greater than the values in table 1. table 1. minimum solar reflectance index value by roof slope

techtalk #146d - sri values - vinyl deck roof deck ...

solar reflectance index \(sri\) values of membranes keywords: sri solar reflectance index vinyl deck surfaces cool deck surface reflectivity of ...

solar reflectance index wood deck

woods solar reflectance index - outside wpc deck products 69 - 81 concrete provides reflective surfaces with good solar reflective index (sri) that as concrete masonry and wood) have an emittance between. solar reflective index of wood deck - outside decking floor solar reflectance for wood decks.

case study - natural stone institute

fundamentals of solar reflectance index (sri) the metric associated with the heat island concept is known as solar reflectance index (sri). defined by the cool roof rating council (crrc)b sri is calculated as “the ratio of the reflected flux to the incident flux.”1 essentially it is the ability of a material to reject solar energy.

solar reflective index of wood floor | seven trust

solar reflective index of wood floor solar reflectance index of wood. solar reflectance for walls - concrete construction. 28 mar 2011 the calculation procedure for solar reflectance index is described in astm as masonry concrete and wood have an emittance of 0.90 ref.

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