3M Strip Caulk, 08578, black, 1 ft. (.30 m) Our 3M Strip-Caulk is a soft butyl rubber caulking material that quickly and permanently fills all types of seams, joints and openings ? long-lasting auto body maintenance and repair in much less time. Product Information Brand 3M Part # 7000028370 Color Black Origin Country USA Product Type Seam Sealers Product InformationCan be painted immediately, maximizing shop timeFast, no-mess application - thumbs into place and smooths with a fingerHigh temperature resistance for a broader variety of usesPermanently pliable material is ready to use for seams, joints and gapsWon?t shrink or become brittleSuggested ApplicationUsed on engine compartments seams, firewall, and other non-visible automotive seams, gaps, and joints Non-Passenger Compartment Sealing Trunk Seams Voids and Gaps