Roofing Proficiency Samples
Each participating lab will receive a set of two sample containers with testing and reporting instructions. Several common roofing asphalt tests may be conducted and reported including: Softening Point, Flash Point, Ductility, Temperatures Using a Rotational Viscometer and Stain Index.
Two optional rheological tests will also be included in this year’s program consisting of procedures using the Dynamic Shear Rheometer to characterize the properties of the roofing asphalt at high temperature (analogous to Softening Point) and intermediate temperature (analogous to Penetration at 25°C).
Participants will have approximately 6-8 weeks after receipt of the sample to complete testing and submit test results to the Asphalt Institute for analysis.