3M™ Auto Bedding and Glazing Compound is a non-hardening, pliable, water-resistant, medium-bodied sealer for sealing auto seams. Can be used as a supplementary sealer for auto glass installation between windshield rubber and car body. This compound remains permanently soft, and has a non-sag consistency for vertical and overhead applications. It wipes off with a dry rag for easy clean up. Designed for use with the 3M™ Professional Caulking Gun, 08993. Remains permanently soft. Has non-sag consistency for vertical and overhead applications. Cleans up with dry rag.