Before writing a specification for your crack sealing project, review the Recommended Performance Guideline for Crack Treatment (A175) provided by The International Slurry Surfacing Association (ISSA). This resource will help in design, testing, quality control, measurement and payment procedures for your project.
Note: It is important to keep in mind that ISSA includes recommended guidelines, not specifications. There are many important factors to consider after reviewing the A175, and your project may demand different processes and measurements from the included guidelines.
Reference - A175-Recommended Performance Guidelines.
Use the ISSA A175 and the following questions to inform decisions and provide support when writing a final specification for your crack sealing treatment: