Your Pavement Preservation Resource Since 1972


Welcome to the IGGA

The International Grooving & Grinding Association (IGGA) is the leading technical and promotional resource for acceptance and proper use of diamond grinding and grooving as well as pavement preservation/restoration.

Dowel Bar Retrofit & Diamond Grinding Best Practices
Presented by John Roberts (IGGA) and Joe Echelle (OTA)
Check out the following Concrete Pavement Preservation (CPP) series webinar videos:


MoDOT/FHWA Releases Concrete Pavement Repair Best Practice Report and Technical Briefs