TEROSON PU 9100 is a one-component polyurethane sealing product designed for joint and seam sealing. It has a surface drying time of 35 minutes. It is applied using a tool with a piston rod, such as the TEROSON ET STAKU HAND GUN. For optimal application, the TEROSON POWERLINE II COMPRESSED AIR GUN or TEROSON ET AIR GUN MULTIPRESS can be used. It is recommended to clean the surface with TEROSON VR 10 for best results.