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sri value of wood roof decking

nc-2009 ssc7.2: heat island effect—roof | leeduser

heat island effect—roof. nc-2009 ssc7.2: heat island effect—roof 1 point. leeduser's viewpoint; credit language; checklists; documentation toolkit; faq.

building on solar reflectance: meeting cool roof standards with

7 mar 2017 ... 05 00 00 metals, 06 00 00 wood, plastics, and composites, 07 00 00 thermal and this cool roof blend of clay s-tile references an old-world aesthetic and to the bottom of oriented strand board [osb] decking); and; insulation. calculation of the aged sri is based on the aged tested values of solar...

local laws of the city of new york no. 21 a - nyc.gov

29 apr 2011 building code, in relation to roof coating standards. be it enacted by the climate and site specific factors play a role in the amount of savings achieved. 2. a minimum sri of 78 as determined in accordance with astm e 1980. wood decking or covered with a walking surface or other protective surface,.

sri values for berridge cool roof colors - berridge manufacturing

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.

fact sheet: nonresidential cool roofs 2016 - energy code ace

17 oct 2016 specified values for reflectance and emittance (or specified sri values.) . 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 boards, the...

cool roofs - california energy commission - state of california

30 jun 2015 glass, deck mounted . wood-framed roofs (low-sloped) in certain czs & improved insulation . calculate the sri value by using the sri-worksheet at (tbd) and enter the resulting value in the sri column above and attach...

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

to meet leed requirements a roofing material must have a sri of 29 or higher for steep slope (>2:12) roofing and a sri value of 78 or higher for low slope...

assessment of the temperature of waterproofing membrane when

black coating (reflectance 0.05, emissivity 0.9) with a value of 0, to standard how is it shown that a coating material for a deck is a "cool roof"? apply to at least 75% of the roof a deck coating that has a solar reflectance index (sri) greater than the temperature was placed at the bottom of each wooden box and then a.

solar reflective shingles brochure - certainteed

shingles. landmark, shown in solaris aged cedar. the certainteed reflective shingles industry leading solar reflectance value solar reflectivity (sr), thermal emittance (te) & solar reflectance index (sri) data . roofing • siding • trim • decking • railing • fence • gypsum • ceilings • insulation.

roofing materials, roof ventilation and roof maintenance - rcm cad

to evaluate roof coolness a simple value (sri) called solar reflectance index is used, red cedar shakes are attractive giving a rustic look to your home. roofs have a reduced life because of moisture damage to roof framing, sheathing…

a practical guide to cool roofs and cool pavements

technical advisor on its cool roof and pavement initiative. . sri = 92 sr = 0.75 te = 0.83 r = low. the values in the above examples are . wood shake. 15 to 30.

cool roof - polyglass

cool roofs are roofs that are highly effective in reflecting incident solar the higher the sri value, the lower the temperature of the surface exposed to sunlight.

roofing requirements

overlay is allowed on built-up, wood shake/shingle, or asphalt roofs. 5. if old roof if new plywood roof sheathing is installed, a tear off inspection is not required; however . the sri values range from 0 to 100, with a higher sri being better.

leed product data - tile tech pavers

our cool-roof™ pavers utilize a high reflective value and low emissivity rate resulting in a high solar this high sri value allows you to meet the needs for “leed” certified projects when used on your roof and decks. ipe wood deck tiles.

cool roofs - epa

2008. "cool. roofs." in: reducing urban heat islands: compendium of strategies. . the weighted average of these values (see. section 4.1). . mounted directly on deck. cool colored tiles on battens. cool roof products can be indistinguishable from . 0.5-2.0 wood shake. bare . sors in calculating a roof's sri under.

cool metal roofing | wbdg whole building design guide

19 oct 2016 the horizontal panels simulate the look of standard shingles, wood shake, . reflectance index (sri) value as provided in table 404.3.1 for roof...

cool roof guidelines - houstontx.gov - city of houston

19 jul 2017 deflections of the roof deck, and additional slope has been provided to ensure the superstructure by a wood substrate) and whose structure consists of . r-value. roofs. insulation entirely above deck. metal buildings a.

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