solar reflectance values for pvc composite

What's So Cool About Cool Roofs? - Cool Roof Rating Council

the solar reflectance and thermal emittance values and the tool . tar) modified with plastic and layered with reinforcing materials This composite image shows only a few of the many “cool” roofing product types that are currently available in.

Cool Roof Solutions Brochure - Johns Manville

Source: Illustration is a composite drawing of data obtained from Southern. California . Johns Manville offers white JM PVC with DuPont™Elvaloy KEE. (Ketone SRI is determined by using the reflectivity values, emissivity values and the

Solar Reflectance Values of Concrete - The Portland Cement

The solar reflectance index (SRI) is a composite value emittance of 0.9 for concrete and solar reflectance values of 0.35 for (100 mm) diameter plastic molds.

Solar Reflectance Index – The World's Best Roofing Blog - Duro-Last

Jan 20, 2010 There is another measurement, called the solar reflectance index that includes values for solar absorptance, solar flux, thermal emissivity, the

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.

Modeling of Total Solar Reflectance as a Formulation Tool

The total solar reflectance value for a pigment combination is calculated from the The heat deflection temperature of many extrusion grades of PVC is

(pvc) roofing - Georgia-Pacific Building Products

Options are values required for low-slope roofs by prescriptive approach; Energy Performance: Roofing system shall have an initial solar reflectance .. Composite Molded-Polystyrene Board Insulation: ASTM C 578, [Type II, 1.35-lb/cu. ft.

How Accurate Color Measurement Leads to Effective Formulations

Mar 7, 2016 Advances in solar reflective paint technology allow even dark Building Materials · Chemical · Food · Paint & Coatings · Pharmaceutical · Paper · Plastic · Textile to maximize solar reflection, titanium dioxide compound integration, and accurate and cost-effective way of determining reflectance values of

Effects of Composition and Exposure On the Solar Reflectance Of

Increasing the solar reflectance (albedo) of a paved surface keeps it cooler in the sun, reducing con- 1/2.3/2.8/0.6 (Mehta 1993), and poured into 100-mm-high, 100-mm-diameter cylindrical plastic This white compound can be car- 70% of its unexposed value, and the highest-albedo white-cement concrete would

GAF Green Building Playbook - BuildSite

PVC, and liquid-applied roofing). GAF has . Minimum solar reflectance index value, by roof slope. compound (VOC) emissions into indoor air and the.

solar reflectance of timber value - Outdoor Wood Plastic Composite

Products 69 - 81 Floor Specification Light Reflectance Values Karndean AUS. Use our guide to understand the LRV (Light Reflectance Value) of our luxury


2933 Records Although there are inherent benefits in the use of reflective roofing, before selecting a roofing product Initial Solar Reflectance Field details.

Cool Roofs - EPA

the weighted average of these values (see Figure 5: Example of Combined Effects of Solar Reflectance and. Thermal . PVC (polyvinyl chloride) and.

Solar Reflectance, Adhesion and Thermal Properties of TiO2

Coating onto Wood/Natural Rubber Composite Sheet the solar reflectance slightly increased with increasing TiO2 powder, but did not change reflectance of white TiO2/PVC coating, and they found that Only lightness value of the PU.

UFGS 07 54 19 Polyvinyl Chloride Roofing - WBDG

oil-resistant PVC roofing membranes are available. Coordinate this . SRI measures the roof's ability to reject solar heat, defined such that a standard black .. and reflectance percentages, solar reflectance index values, [and] slopes. [_____], to meet . applied compound, spray foam adhesive, or when PVC fleecebacked

Solar Absorptance and Thermal Emittance of Some - NTRS - NASA

and emittance values is of primary importance in spacecraft temperature To obtain solar absorptance of a material, reflectance as a function of wavelength is measured, from . Tedlar Black Plastic . GSFC Composite SiOx-Al 2 03 -Ag.

Solar Reflectance Index Measurements - Surface Optics Corp.

LEED requires specific SRI values for your individual product or material. Many roofing manufacturers have already obtained independent laboratory testing of

solar reflectance of timber wall

Products 69 - 81 PCA R&D SN2982a Solar Reflectance Values of Concrete by of wood decking - sale composite decking . solar reflective index of timber deck Outside Decking Floor. timber deck solar reflective index Wood plastic floor

The roofing membrane with the highest solar reflectance - RENOLIT

RENOLIT ALKORBRIGHT has the highest solar reflectance of any roofing membrane on Standard white PVC-P roofing membrane > SR ± 78,4% (pink line).