Discover high-performance 3M Rigid Pillar Foam at Weco Supply Company, your go-to for welding, industrial, and automotive supplies. This two-component urethane foam fills posts and cavities to prevent panel flutter and improve rigidity. Its expanding nature reaches hard-to-access areas, mimicking OEM products. Easy 3M™ Auto application ensures professional results. Choose Weco for top-quality 3M products.