From the mid 1960's into the late 1970's GM cars had their windshields and rear windows set in a Polysulfide adhesive made by the Thiokol Corporation along with a foam "dam" tape to control the squeeze-out. In the late 1970's GM transitioned to Urethane adhesive due to its superior properties and this video shows you the steps install your glass using Urethane and dam tape. There are more technical tips, downloads and videos at www.rustreplace.com | Belden Speed & Engineering

If you are planning to reinstall the windshield, or rear window in your 1960's - 70's GM car here are the steps to help you with an easy and professional install. You'll need Urethane, dam tape (of the correct height), primer, glass setting blocks, 2 suction cups, some masking tape, glass cleaner, a razor blade, a high-leverage caulking gun, a friend and about 2 hours. www.rustreplace.com has your installation materials as well as more reference resources to help you out. | Belden Speed & Engine

How to PROPERLY Replace a Windshield Yourself | Hie Five