Moreover, Vintage coated metal is also graffiti resistant. According to CRRC’s Rated Product Directory National Coating’s AcryShield A590 High Reflectancewhite roof coating provides the highest aged (or 3-year) reflectivity capabilities available to the roof coating market. Bridger Steel offer copper roofing & facade panel systems based on site-specific requirements. Solar Reflectance. For information on Zinc or Copper finishes, please contact your local Bridger Steel product specialist. A value of 0 indicates that the material absorbs all solar energy and a value of 1.0 indicates total reflectance. An SRI value closer to 0 indicates a darker or black surface and a value closer to … For more information on cool roof coatings and how they can help lower your energy costs, download our FREE Cool Roof Buyer’s Guide. This website uses cookies to improve your experience while you navigate through the website. TSR (Total Solar Reflectance) 75 % . It reflects UV & IR rays back. x��]�r���)xIy�%1$H���.oR�؇ت�a��H�dK�ݕ�^�1rȫ��� t�H�H����o�~���ϊ�TYa�w��ۣ?�fo���ٷ��?2ye�����m��) �. The Solar Reflective Index (SRI) combines the TSR and E value of a product (TSR x E). White Paint and solar reflective paint needs to be sunlit in order to work. Solar Reflective Index (SRI) is important to understand when selecting a highly reflective roof coating that will help lower energy cooling costs. The result is a versatile building product with exceptional corrosion resistance. The SRI is a calculation method using solar reflectance and thermal emittance values to determine the roof's overall capacity to refuse solar heat. A value of 0 indicates that the material absorbs all solar energy and a value of 1.0 indicates total reflectance. All alloys are in common production and use.The surface oxidation of weathering steel varies greatly based on environmental influences, but surface treatments can accelerate the oxidation to as little as two hours. Product Solar Reflectance (Initial) Thermal Emissivity (E) Solar Reflectance (3 Year) Solar Reflectance Index (Initial) Solar Reflectance Index (3 Year) AM Galvalume 0.78 0.08 0.58 75 34 AM Galvalume Plus 0.71 0.08 0.55 62 28 Prepainted Galvalume INQUIRE (dependent on specified paint system) All surfaces used by cars get covered in salt and oil for a variety of reasons, but you can rest assured that your logo or design on pavement will remain undamaged by these substances. reflective substrates or in combination with reflective pigments. This index is often used by paint manufacturers as the primary measurement of a product's reflectivity. Learn more about Copper Roofing & Wall options. Alternatively, a high total solar reflectance may be desirable if the purpose of the paint is to prevent the treated surface from heating up. The process produces a matte grey finish. This is the best measure for the effectivity of Heat Reflective Paints. Energy Star requires an initial SR value of 0.25 or higher for steep slope (>2:12) roofs and 0.15 or greater after three years. This index is often used by paint manufacturers as the primary measurement of a product's reflectivity. SRI quantifies how hot a surface would get relative to standard black and standard white surfaces. This commercial-grade paint system maintains its appearance over long periods when exposed to ultraviolet (UV) and atmospheric pollutants. hbspt.cta._relativeUrls=true;hbspt.cta.load(118964, 'f3cef32a-5c06-4e85-b748-fbe381490a64', {}); © 2020 National Coatings Corporation. All of our installers are highly skilled and courteous. SRI is measured on a scale from 0 to 100. Vintage coated metal is an innovative pre-painted metal product which offers a warm, classic aged appearance. Bridger Steel offers a wide range of Aluminum finishes, including most of our 24 gauge color options (minimum quantities apply). Painted finishes often maintain a lower emittance value than bare metal products. Please allow for longer lead times. 5 0 obj 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 paint may be designed to retain heat, in which case a low total solar reflectance (TSR) may be required. You also have the option to opt-out of these cookies. The protective coating innovation also increases the product lifespan of next generation ZINCALUME® steel whilst using fewer metal resources. Low slope roofs require an initial SR value of 0.65 or higher and 0.50 or greater after three year. ;� (ˬ,��Q��G�&W�U��U�������_��c��&��x�Z�u0a���!&��Y�5]�wJLt��E�+���{������.Wu@���Ae�˼�$-M^�Y诪����oV��2oJ�f�]�y[�t�չh_�Oh��Rju�;_��6� The following are the latest figures related to standard Bridger Steel colors & finishes: Bridger Steel's Bonderized is a galvanized steel that is processed through a phosphate bath, which then has a layer of Chromate applied and dried to the coating. Next generation ZINCALUME® steel’s patented Activate® technology introduces magnesium into the aluminium-zinc alloy coating, improving galvanic protection by activating the aluminium. 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. We'll assume you're ok with this, but you can opt-out if you wish. This includes visible, infrared and ultra-violet wavelengths. The CRRC has tested and evaluated over 800 roof coatings and found that the AcryShield A590delivers the highest long-term solar reflectance and SRI rating of all the roof coatings they’ve tested after being in service on a rooftop for 3 years.

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