Securely Set Windshields in Place: 3M Windo-Weld Super-Fast Urethane delivers a secure and permanent attachment of the replacement windshield. We use the word "weld" in the name to symbolize how strong the bond will be. A popular choice among auto glass installers, 3M Windo-Weld Super-Fast Urethane delivers reliable performance that meets customer satisfaction. When properly applied, our adhesive prevents annoying leaks where rain and water can seep into the vehicle between the windshield and auto body. Your Choice: Manual or Power Caulking Guns: 3M adhesive may be applied with either a manual or powered caulking gun.3M offers manual applicator guns with an 18:1 ratio, including the 3M Professional Caulking Gun - part number 08993. Electric, battery or air-operated caulking guns may also be used. Adhesive offers a 10 to 20 minute work time. Other Applications: Besides replacement auto glass installations, this adhesive may also be suitable for some non-structural body panel applications.