3M Strip-Calk 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. Simply thumb 1-foot lengths into place without spraying or tools, and smooth it with a finger. Strip-Calk is paintable immediately and never hardens, shrinks or becomes brittle, eliminating rework.
3M 08578 Calk is ready to use for seams, joints and gaps
Won’t shrink or become brittle, ensuring seals and greatly reducing rework
Fast, no-mess application - thumbs into place and smooths with a finger
Can be painted immediately, maximizing shop time
High temperature resistance for a broader variety of uses
