Cool Roof Rating Council

Product Type


Minimum Radiative Properties




3 Year

Solar reflectance
(0.00, 1.00)
Thermal emittance
(0.00, 1.00)
Solar Reflectance Index (SRI)
(-10, 125)

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A CRRC product rating describes the radiative performance of a roofing material; it does not indicate a ranking or approval. A product’s placement on the Rated Products Directory (Directory) does not mean that the product is “cool” as defined by any particular code or program. Only products with active ratings can be found on the Directory.

An asterisk (*) next to a product rating indicates a CRRC Rapid Rating.

The CRRC Rated Products Directory is a free online resource that lists the roofing products that have undergone testing, weathering, and rating in accordance with the CRRC’s protocols.

The Directory features a universal search bar that allows users to narrow their search results by manufacturer, brand, model name, or CRRC product ID. If a more open-ended search is desired, users can select preset filters to identify products by type (e.g., field-applied coating, coated metal, tile, asphalt shingle, membrane), color, slope, market, and/or minimum radiative properties. Click on the “Show Filters” button in the top right corner of the page. The Directory can also be exported as a .csv or printed in a PDF format.

The “coolness” of a roof is determined by two basic properties: solar reflectance and thermal emittance. Solar reflectance is the fraction of solar radiation reflected away from the roof, while thermal emittance is the efficiency with which the roof reradiates absorbed heat. The values of both properties range from 0 to 1, with higher values indicating “cooler” products.

In addition to these two metrics, the “coolness” of a roof may also be represented by its SRI, a calculated metric that combines solar reflectance and thermal emittance into one value. SRI values are usually between 0 and 100, with particularly cool materials exceeding 100.

An asterisk (*) next to a product rating indicates a CRRC Rapid Rating. Rapid Ratings are interim laboratory-aged values that simulate three-year aged values. The Rapid Ratings values will be replaced by the measured three-year aged values upon completion of the weathering process. SRI values that are calculated using Rapid Ratings may change once the aged rating replaces the interim rating.

A letter (e.g. "a") at the end of a CRRC ID indicates that a product has been retested or reformulated, and new rated product values have replaced the original values.

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CRRC Prod. ID Manufacturer Brand and Model Product Type Color Solar Reflectance Thermal Emittance SRI More Info
Initial 3 Year Initial 3 Year Initial 3 Year
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