Propex - Petrotac - Britt, IA 

Petrotac used between existing roadway and shoulder widening to protect joint. It's a self-adhesive paving membrane designed to protect pavements from moisture damage by providing a stress absorbing interlayer to decrease the development of cracking over time.
Installer - Heartland Asphalt - Mason City, IA
Distributor - Coleman Moore Company - Des Moines, IA