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COOL ROOFS FOR ARCHITETCS & ROOFING SPECIFIERS
 

Know What's COOL

 

COOL ROOFS and the COOL ROOF RATING COUNCIL

For Architects, Roof Specifiers, Consultants and Contractors

Prepared by the Cool Roof rating Council (CRRC)

Download Datasheet
Download Guide
 

INTRODUCTION

"Cool" roofing is the fastest growing sector of the roofing industry, thanks to cool roofs. Use our online Rated Products Directory to help you specify a roofing products that meets your client's needs.(visit the CRRC at www.coolroofs.org

YOU want a reliable source of information about roofing products.

YOUR CLIENT wants a roof that provides optimal performance, comfort and aesthetics.

EVERYBODY wants credible roof performance data at their fingertips.

THE COOL ROOF RATING COUNCIL is the only rating system providing independent, reliable roof performance data.

WHAT IS COOL ROOF RATING COUNCIL

The Cool Roof Rating Council (CRRC) is a non-profit membership organization. Formed in 1998, the CRRC maintains a credible, third-party rating system to measure and label the radiative properties of roofing materials.

SEARCHABLE RATED PRODUCTS DIRECTORY

You can use the product Directory to find a variety of roofing options that meet your specifications. This tool allows users to search products by product type, brand name, minimum radiative property values and other parameters, making your search quick and easy – and it's free!
All types of common roofing products – from field-applied coatings and factory-coated metal to capsheets and single-plies to shingles and tiles – come in "cool" varieties. There are even "cool" dark-colored products, so no matter what type of roof your client is interested in, you can find a "cool" product to use.

INITIAL AND AGED TESTING

The CRRC Rating Program requires initial and aged product testing. Upon completion of initial testing, the AITL forwards all samples to CRRC Accredited Test Farms in three locations representing different climates for 3-year weather exposure. Upon removal, they are returned to an AITL, unwashed, for an aged rating. Ratings are published on the CRRC Product Directory and may be used on the CRRC Product label once initial testing is complete. Aged results are published after 3 years.
CODES AND PROGRAMS FOR COOL ROOF
Recognition of the benefits of cool roofing has led to the adoption of  cool roof requirements in several building energy codes, as well as the inclusion of cool roofing in green building initiatives. Many electric utilities offer rebates for cool roofing materials to help save energy and reduce peak demand.

Building Energy Codes

Many jurisdictions have adopted Building Energy Codes to mandate energy-efficient construction practices. In the US, several states and jurisdictions have adopted ASHRAER's standards, while other, like in California, and the City of Chicago, have developed their own building codes.

• California's Building Energy Efficiency Standard (Title 24),    www.energy.ca.gov/title24

• The American Society of Heating, Refrigerating and Air-
   Conditioning Engineers (ASHRAE) Standard 90.1 Energy
   Standard for Building Except Low-Rise Residential
   Building and Standard 90.2 Energy Efficient Design of
   Low-Rise Residential Building, www.ashrea.org

The City of Chicago's Energy Conservation Code

Green Building Programs

In an effort to encourage sustainable building practices, several organizations have developed voluntary guidelines and certification programs, otherwise known as green building programs, which reward the sue of environmentally-friendly building materials and design. Some of these programs give credit for using a cool roof. Examples include:
• US Green Building Council's Leadership in Energy and
   Environmental Design® (LEED),www.usgbc.org
• The Green Building Initiative's Green Globes,
   www.thegbi.com/greenglobes

Utility Rebate Programs

Several electric utility companies offer rebates for the installation of cool roofing materials in new construction and/or roof retrofits. Please check with your local utility company to see if they offer a cool roof rebate. Here are a few examples of existing utility rebate programs:
• Pacific Gas and Electric Company (PG&E), www.pge.com
• Southern California Edison (SCE), www.sce.com
• Idaho Power, www.idahopower.com
• City of Austin, www.austinenergy.com

CRRC PRODUCT RATING PROGRAM

The core of the CRRC is its Product Rating Program through which roofing product manufacturers can label their products with solar reflectance and thermal emittance values, as measured by CRRC Accredited Independent Testing Laboratories (AITL). Both properties are measured for 0 to 1 and the higher the value, the "cooler" the roof. The CRRC assures the accuracy of our ratings through our Random Testing program, which verifies that products sold reflect their lab-tested values.
A COOL ROOF CAN

Increase occupant comfort by keeping the    building cooler during hot summer months.

Cut costs by
(1) reducing the need for air conditioning and
     extending the life of the cooling equipment.
     Studies have shown typical cooling energy savings
     of 10-30%.
(2) decreasing roof maintenance costs (cool roofs
     are expected to last longer than the average roof).

Address air pollution and Global Warming    concerns by lowering CO2 and other emissions    associated with fossil fuel-generated electricity    used for air-conditioning.

Reduce the "Urban Heat Island Effect" by    reflecting heat back to the atmosphere. An Urban    Heat Island occurs when a city is hotter than the    surrounding rural areas due to dark surfaces, like    roofs and roads that absorb heat from the sun, and
   less shading vegetation.

Help with local code compliance since a growing    number of building codes have cool roof    requirements.
 
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