Cool Roof Rating Council (CRRC)
Mission
- Independent organization
- Established a method for reporting creditable reflective properties of roof surfaces
- Registers laboratories to do the testing
- Maintains list of registered manufacturers and product reflective properties
Test Methods CRRC-1
Test Methods
- Reflectivity
- ASTM E 908
- ASTM E 1918
- ASTM C 1549
- Emittance
- ASTM C 1371
Test Procedures
-
Inital
- Samples submitted to accredited laboratory for testing
- Materials from two (2) lots shall be supplied
- Weathered Samples
- From same materials submitted for initial testing
- Sample size is 24 sq in mounted on plywood
- Material is sent to Accreditied Lab
- Accredited Lab will send materials to Weathering Farm lab
- Weather Farm Lab will return the samples to accredit lab after three (3) years of testing
- Accredited Lab reads final values for reflective and emittance
- Carlisle Listed Products
Carlisle Listed Products
| Product | Reflectance | Emittance |
|---|---|---|
| Sure-Weld White | .79 |
.90 |
| Sure-Weld Tan | .66 |
.89 |
| Sure-Weld Gray | .26 |
.89 |
| Sure-White EPDM | .76 |
.90 |
| Sure Seal EPDM | .12 |
.87 |
CRRC Labeling
- CRRC label can only be used on products tested to CRRC-1
- CRRC label shall be placed on the product, its wrap or container
