A.t. offers Solar Reflectance Index (SRI) measurement. The Solar Reflectance Index (SRI) is a newer indicator which incorporates both emissivity (or called, emittance) and reflectivity in a single value. Measurement can be done on, such as, any roofing material, etc.

The SRI measurement is performed according to the following test standard:

- ASTM E 1980
- ASTM E 903
- ASTM E 1918
- ASTM C 1549
- ASTM E 408
- ASTM C 1371